Is Object-Oriented Design Interview: An Insider’s Guide Book Worth it in 2026?

Hello folks, If you’re gearing up for coding and design interviews in 2025, I’ve got something valuable to share. The Object-Oriented Design Interview: An Insider’s Guide by Alex Xu and ByteByteGo has just hit the shelves, and it’s already creating a buzz in the tech interview prep space.  In this post, I’ll break down what’s inside this book, why it’s different, and why I believe it’s a must-read for software engineers preparing for interviews at top companies.  Let’s dive in.

Review - Udemy or Educative? Which One Should You Join in 2026?

Hello guys, if you want to learn Tech skills like Coding, Programming, Data Science, Machine Learning and wondering whether you should take Udemy online courses or join the Educative platform to learn new tech skills but not sure then you have come to the right place. Earlier, I have shared a comparison between Pluralsight vs Udemy as well as CodeCademy vs Pluralsight and in this article, I am going to compare Udemy with Educative, a new text-based, interactive learning platform.

Top 5 Udemy Courses To Learn Virtualization And VMware and VSphere in Depth

Hello guys, a lot of you may not realize it, but it was basically the invention of virtualization that saved a lot of large tech companies from going bankrupt. Virtualization is perfect for companies that are looking to maximize their performance with all the available resources but without increasing the associated costs. But, Before we get to the 5 best courses that will teach you everything you need to know about virtualization, VMware, and VSphere, let me tell you what it all really is. As you must already know, having one or more virtual machines running software applications, hardware-like servers, and networking devices are sure to increase the flexibility and ability of the company to scale infrastructure according to business needs.

Review - Is Certified Blockchain Security Expert (CBSE) worth it? Should you join in 2026?

Hello guys, Blockchain technology creates a unique data structure featuring inherent security qualities. The primary highlights of blockchain infrastructure include cryptography, consensus mechanisms, and decentralization. With the mention of cryptography, it is important to wonder how the Certified Blockchain Security Expert certification can help the career aspirations of any professional. Blockchain has data structured into different blocks, with each new block connecting to previous blocks with a cryptographic hash function. In addition, decentralization implies that there is no single point of failure in the blockchain network. 

Top 10 Coursera Certifications and Courses to Learn UI and UX Design in 2026 - Best of Lot

Hello guys, UI and UX design have become essential skills in today’s product driven world. Whether you are a developer looking to improve the usability of your applications, a product manager aiming to understand user behavior, or a beginner exploring creative career paths, strong design fundamentals can significantly elevate the quality of the products you build. Modern companies expect designers and engineers to work together seamlessly, which makes UI and UX knowledge an important advantage regardless of your role. Good design is no longer optional. It directly influences user satisfaction, retention and overall product success.

Top 10 Udacity Courses for Python and Data Science in 2026 - Best of Lot

Hello guys, if you are looking for best Python and Data Science courses on Udacity to start your career then you have come to the right place. Udacity is one of the best place to learn in-demand tech skills as it works with industry leaders to create project-based online learning programs, which means you  learn the technology skills that employers value most like Python, Data Science, Machine Learning, and more. In the past, I have shared best Python courses on Coursera and best Python courses on Udemy and in this article, I am going to share best online courses to learn Python on Udacity. But, before we get to the 10 best Udacity courses that will teach you everything you need to know about Python. let me tell you a little bit about what it really is.

Review - Is Django For Everybody Specialization on Coursera Worth it in 2026?

Hello guys, if you are looking for best Coursera course to learn Django or just wondering whether to join Django for Everybody specialization on Coursera or not, you have come to the right place. In the past, I have shared best Django Courses and best Python web Development Courses and in this article, I will review Coursera's popular Django course, Django for Everybody specialization by University of Michigan USA. This course is created by none other than Charles Russell Severance, instructor of Coursera's most popular Python for Everybody specialization which is trusted by millions of learners worldwide.

Top 10 Udemy and Coursera Courses to Learn AI (Artificial Intelligence) in 2026

Hello guys, Artificial Intelligence is one of the growing fields in technology and many developers are trying to learn Artificial Intelligence to take their career next level. If you are a Python developer and looking for the best courses to learn Artificial Intelligence with Python then you have come to the right place. Earlier, I have shared the best Coursera courses and certifications to learn Python, Cloud Computing, Software Development, and Web Development, and, in this article, I I will share the best courses to learn AI basics as well as some hands-on courses to practice AI with the Python library.

Top 10 ChatGPT Courses for Beginners and Experienced Developers in 2026

Hello guys, if you want to learn how to use ChatGPT more effectively and looking for guidance and prompts then there is no better way than to look into online courses. Earlier, I have shared the best AI Courses, best LLM courses, the best ChatBot courses, and the best NLP courses and in this article, I am going to share the best ChatGPT online courses for programmers, developers, and anyone who wants to use ChatGPT better. ChatGPT is probably the best tool launched in this decade and all the hype since it launched in November last year is for real.

Review - Is 101 Blockchains Certifications and Courses worth it in 2026?

Hello guys, if you want to start your career in Blockchain field and wondering going for a Blockchain certification then you have come to the right place. Earlier, I have shared Blockchain Developer RoadMap and these best Blockchain certifications to start your career in and in this article, I am going to review one of the popular Blockchain certification provider, 101 Blockchains Academy. The worldwide blockchain industry is expanding at an unnerving rate for a technology that came only a decade ago.

5 Best Udemy Courses to Learn Python Programming in 2026

Hello folks, if you want to start coding or get into programming or software development field in 2026 then there is no better way than learning Python programming language. Python is the most popular programming language and its widely used in software development, Data Science, Automation, Game Development, Machine Learning, AI, and anything you can think of except embedded programming where C and C++ rules. If you have already made your mind on learning Python this year and just looking for best resources then you have come to the right place.

ByteByteGo Courses vs ByteByteGo Books? Which one is better for System Design Interviews in 2026?

Hello guys, when preparing for system design interviews, one name that consistently comes up is ByteByteGo. Founded by Alex Xu, the author of System Design Interview — An Insider’s Guide, in last few years, ByteByteGo has become one of the most trusted resources for learning system design. But with both ByteByteGo books and the ByteByteGo online course available, many learners face the same dilemma: Which one should I buy? Which one is better for System Design Interviews and Coding interviews?

I Just found LeetCode for System design Interview and Its Amazing

Hello guys, If you’re preparing for system design interviews — especially for FAANG or top-tier tech roles — you’ve likely encountered Bugfree.ai.  In the past, I have tried various online platforms to learn System Design like ByteByteGo, Exponent, and DesignGurus.io, but one thing I missed is online interactive practice, something like LeetCode where I can solve problems, get it evaluated and also get points to move up the leader board.

ByteByteGo vs Educative.io vs DesignGurus.io: Which System Design Course Is Best for 2026?

Hello guys, System design interviews remain one of the most difficult hurdles for software engineers in 2026. Unlike coding interviews, where you can practice data structures and algorithms with LeetCode-style problems, system design requires a mix of architectural knowledge, trade-off analysis, and real-world problem-solving skills. With FAANG and top-tier startups continuing to emphasize these interviews, software developers and engineers need the right preparation resources.

Is Educative Good Place to learn Generative System Design for Interview? Review

Hello guys, Generative AI is transforming industries, from text-to-text chatbots to text-to-video models that can generate realistic scenes on command. As an engineer, AI enthusiast, or tech leader, understanding how to design these systems isn’t optional anymore, it’s becoming essential. But building these systems isn’t just about fine-tuning a model or calling an API. It requires thoughtful Generative AI System Design — designing architectures that can handle massive data flows, scale with demand, and deliver reliable, efficient results in real-world settings.

Review - Is Java Fundamentals Course on Frontend Masters Wroth it?

Hello guys, today I am going to review a Java course from Frontend Master created by none other than, Java Champion, Angie Jones. I was initially surprised to find this course on Frontend Maser because I always thought Frontend Master is more about JavaScript and related technologies.  As I said, For long time, I thought Frontend Masters is just for frontend web development but I was pleasantly surprised to find the backend related course, particularly one which is focused on Java and even more because it was created by Angie who I have been following on Twitter for a long time.

10 Best Udemy Courses to Buy on Cyber Monday SALE in 2025

Hello guys, Cyber Monday is here. And for developers, this is the smartest time to invest in your career.  Here’s the reality: Udemy courses normally cost $200+. But during Black Friday, they drop to $10–15. That’s a 90% discount on world-class education. For that price, it makes no sense not to buy. But with 11,000+ courses on Udemy, choosing which ones to buy is overwhelming. Most developers waste their discount budget on mediocre courses when they should be investing in skills that actually matter in 2025.

ByteByteGo Black Friday and Cyber Monday SALE (30% OFF)

Hello guys, if you have been waiting for ByteByteGo Black Friday and Cyber Monday sale for whole year then your wait is over now.  ByteByteGo’s Black Friday sale is now live with an additional 30% OFF using code BF2025 on top of their already discounted prices. This is hands-down the best deal you’ll see on the most comprehensive system design interview preparation platform available.

AlgoMonster, DesignGurus & Bugfree.ai Black Friday Cbyer Monday Sale: 20-60% OFF!

Hey friends!  If you are looking for black Friday and cyber Monday sale for platforms which help you prepare for coding interview and system design then you have come to the right place. Earlier, I have shared the best Black Friday and Cyber Monday deals for developers, and now I am going to share bit more about the best Cyber Monday deals for coding interview preparation platforms.  The three platforms that have genuinely transformed how I prepare for interviews and improve my coding skills are running their biggest sales of the year right now, and I had to share this with you immediately.

I'm talking about AlgoMonster, DesignGurus.io, and Bugfree.ai—the holy trinity of technical interview preparation. Between them, they cover everything you need: coding patterns, system design, and AI-powered interview practice.

5 Best Frontend Masters Courses to Level Up Your Web Development Skills in 2025

Hello guys, if you are learning web development online then you may have heard about Frontend Masters, a popular online learning platform for learning anything and everything related to web development. The Frontend Masters is a popular online learning platform that offers a wide range of courses on frontend web development. In the past, I have shared The Complete Web Developer RoadMap as well as best web development courses and in this article, I am going to share best frontend masters courses for frontend web developers. These courses are designed to help web developers improve their skills and stay up-to-date with the latest technologies and best practices in the field and you will learn things like React.js, JavaScript, TypeScript, CSS grid and more.

Top 21 Best Black Friday and Cyber Monday 2025 Deals for Developers and Software Engineers

Hello guys, if you’re a developer like me, you already know that Black Friday isn’t just about gadgets and monitors anymore — it’s the best time to invest in yourself and your career growth. Every year, I take advantage of these early tech education deals to stack up courses, tools, and lifetime plans that keep me learning and growing throughout the year.  Whether you’re preparing for tech interviews, leveling up your backend skills, mastering system design, learning AI/ML, or diving into cloud computing — this is your once-a-year chance to grab 50–80% discounts on platforms that cost thousands during the rest of the year.

6 Best Udemy Courses to learn Google's Gemini AI in 2026

Hello guys, the world of AI is rapidly evolving and tools like Google Gemini, OpenAI’s Sora, and DeepMind’s Veo are redefining what’s possible in content creation, coding, and automation. Whether you’re an engineer, a digital creator, or an AI enthusiast, learning these technologies can give you a serious edge in 2026. If you are like me and want to learn these awesome AI tools and LLMs then you have come to the right place.

Does ByteByteGo Help you to become a Software Architect from Senior Engineer?

Hello guys, making the leap from Senior Engineer to Software Architect is one of the most significant career transitions in technology but at the same time a hard one. I have seen many folks stuck as senior software engineers not for years but for decades, hence it become really important for senior engineer to do everything possible in their hand to grow into an architect role, and in this article, I will share how resources like ByteByteGo can help you to make this transition. 

🎉 Black Friday 2025: 50% OFF Grokking the Java Interview + The Best Tech & Developer Deals This Year!

Hell Everyone,  Black Friday is here  and so is the biggest discount of the year on my book Grokking the Java Interview!  For a limited time, get 50% OFF with code BLACKFRIDAY2025. Whether you’re preparing for your first tech interview or aiming for senior-level roles, this book breaks down concepts in a simple, structured, and practical way. If you’ve been meaning to level up your Java skills, now is the best time to start.

If you’ve been meaning to level up your Java interview skills, there’s no better time.

👉 Grab it now: Grokking the Java Interview Everything Bundle — 50% OFF

Use code: BLACKFRIDAY2025

Udemy, Datacamp, Educative and 101 BlockChains Black Friday SALE (35 to 80% OFF)

Hello guys, Happy Thanks Giving day to all of you and big thank you for reading and supporting Javarevisited over the year. If you are looking for best Black Friday deals for developers then you have come to the right place. Black Friday is easily the best time of the year to invest in your tech skills, and 2025–2026 is no exception. This year, some of the biggest learning platforms — Educative, 101 Blockchain, Udemy, and DataCamp, all are offering massive discounts ranging from 50% to 80% OFF.

ByteByteGo Black Friday SALE 50% OFF - Should You Join to Learn System Design?

Hello guys, I have a great news for you, especially if you are preparing for your next career move or looking for your next Job.  ByteByteGo, the platform founded by Alex Xu, author of the popular System Design Interview — An Insider’s Guide, is currently offering a limited-time 50% OFF deal on its yearly subscription.  If you’re preparing for software engineering interviews — especially system design or high-level architecture roles — now is the best time to join as not just they are offering 50% discount but also they have added a lot of content on website.

5 Must-Read Books to Master Software Architecture and System Design in 2026

Hello guys, If you've been in software development for a few years, you know that writing code is only part of the job. Understanding how to design scalable, reliable systems and architect maintainable software is what separates senior engineers from the rest. Over the past few years, I've read more than 20 books on Software Architecture and System Design, some were too theoretical, others were gold mines of real-world wisdom. In this post, I'm sharing the top 5 books that truly shaped how I think about architecture and system design.

Exponent, ByteByteGo and Codemia Black Friday + Cyber Monday SALE 2025 - 40 to 60% Discount

Hello guys, Black Friday and Cyber Monday is the best time of the year to invest in your career — and if you’re a developer preparing for technical interviews or leveling up your system design and problem-solving skills, this year’s deals are too good to ignore. I’ve personally tried all three platforms — ByteByteGo, Codemia.io, and Exponent — and each offers something unique for developers preparing for FAANG level interviews or aiming to grow into senior or architect-level roles.

10 Best Udemy Courses to learn System Design and Software Architecture in 2026

Hey folks! if you’re a software developer then you’ve probably heard the buzz about System Design interviews. They’re no longer just for senior roles; even mid-level and sometimes even freshers are getting grilled on them at top companies, around the globe. System Design and Software Architecture about designing scalable, reliable, and maintainable software — — basically, how to build the next big thing! If you want to learn System Design and Software Architecture in depth and looking for resources then you have come to the right place.

CodeCademy, Udacity, and ZTM Academy Black Friday + Cyber Monday SALE 2025 — 50% to 66% OFF

Hello guys, Black Friday is the best time of the year to level up your tech skills without burning your wallet as many platforms and resources offer awesome Black Friday deals with discounts ranging from 30 to 80% on their annual and lifetime plan. If you’ve been thinking about learning to code, upskilling for a promotion, or switching into AI/ML, data, cloud, or full-stack engineering, these three platforms, I mean Codecademy, Udacity, and Zero To Mastery (ZTM) Academy—are offering their biggest discounts of the year.  As a developer who buys way too many courses during Black Friday, I can confidently say: these deals are 100% worth grabbing if you’re serious about your career.

Hands-On vs. Theory: Which Platform Wins the 2026 System Design Battle (Bugfree vs. Codemia vs. LeetCode) Review

Hello guys, If you are preparing for System Design interview then you may know that System design interviews have evolved. It’s no longer enough to memorize architectures or watch a few YouTube videos before your big day.  With lot of layoffs done by FAANG companies like Amazon’s recent 14K people layoff means there is a lot of competitions and you are competing with the very best people out there.  Because of this over-supply of best talent, companies have also become very choosy, hence you must prepare really well to crack the interview.

DesignGurus.io or Bugfree.ai? Which is Better Place to Prepare for System Design Interview in 2026?

Hello guys, preparing for coding interviews in 2026 is much more competitive than ever. The tech market is flooded with more qualified candidates and jobs are shrinking. With thousands of candidates applying for roles at top tech companies like Google, Meta, Amazon, and Netflix, or big investment banks like J P Morgan, Goldman Sachs, and UBS, your preparation strategy matters a lot. While there are many resources to prepare for System Design and DSA for coding interviews, like ByteByteGo, AlgoMonster, Codmia.io, Educative.io, and Exponent, two rising platforms in the coding interview prep space are DesignGurus.io and Bugfree.ai.

7 Best Courses to learn Agentic AI in 2026

Hello guys, Agentic AI is emerging as one of the most exciting frontiers in artificial intelligence. Unlike traditional models that simply follow prompts, agentic AI systems can plan, reason, and take autonomous actions to achieve complex goals. These AI agents are already transforming how we build software, automate tasks, and interact with intelligent systems — and in 2026, mastering this technology will be a major advantage for developers, researchers, and tech professionals.

ByteByteGo 50% Discount Offer — Should You Join ByteByteGo for System Design and Coding Interview Prep in 2026?

Hello guys, I have a great news for you, especially if you are preparing for your next career move or looking for your next Job. ByteByteGo, the platform founded by Alex Xu, author of the popular System Design Interview — An Insider’s Guide, is currently offering a limited-time 50% OFF deal on its yearly subscription. If you’re preparing for software engineering interviews — especially system design or high-level architecture roles — now is the best time to join as not just they are offering 50% discount but also they have added a lot of content on website.

Is Exponent Good Place to Prepare for System Design and Tech Interview? Review

Hello guys, Preparing for FAANG or top-tier tech interviews is never easy. Between data structures and algorithms, system design, and behavioral questions, you need a structured and reliable approach. That’s where Exponent stands out. The tryExponent.com isn’t just another interview prep platform — it’s a complete ecosystem for software engineers, product managers, data scientists, designers, and technical leaders preparing for some of the most competitive roles in tech. With their current 70% OFF annual plan, this might be one of the best times to join.

Is 101 Blockchains Academy’s Premium Plan Really Worth It? (50% OFF)

Hello guys, the blockchain and Web3 space has evolved rapidly over the past few years. With new roles emerging in AI, FinTech, Web3, and enterprise blockchain, professionals are constantly looking for reliable platforms that offer structured, career-focused learning. Among the many platforms out there, 101 Blockchains Academy has positioned itself as one of the top destinations for professionals aiming to gain credibility through certifications and industry-recognized credentials.

Should You Join Bugfree.ai for System Design Interview Preparation in 2026? Review

Hello guys, If you’re preparing for system design interviews — especially for FAANG or top-tier tech roles — you’ve likely encountered Bugfree.ai. In the past, I have tried various online platforms to learn System Design like ByteByteGo but one thing I missed is online interactive practice, something like LeetCode where I can solve problems, get it evaluated and also get points to move up the leader board. During my search, I have recently come across this amazing platform and its the platform brands itself as “LeetCode for System Design,” offering a mix of mock interviews, structured question practice, real-time feedback, and more.

But does it truly deliver value? Let’s break it down.

The 2025 DevOps Engineer RoadMap [UPDATED]

DevOps is really hot at the moment, and most of my friends, colleagues, and senior developers I know are working hard to become a DevOps engineers and project themselves as DevOps champions in their organization. While I truly understand the benefit of DevOps, which is directly linked to improved software development and deployment, from my limited experience, I can say that it's not an easy job. It's tough to choose the right path in mind of so many tools and practices. Many of my readers also ask me this question is how to become a DevOps engineer, which means should I learn? Which practices should I follow? Does learning Maven and Jenkins is a must for DevOps Engineers?

Top 10 Big Data Tutorials, Books, and Courses for Java Developers in 2025 - Best of Lot

Hello Java developers, if you are looking to learn Big Data and Hadoop this year and looking for excellent books, courses, and tutorials to start with, then you have come to the right place. Earlier, I have shared the best Spring and Hibernate Courses, and best Big Data online Courses and In this article, I will share some of the best resources to learn Big Data and Hadoop in 2025. This includes Big Data tutorials, books, and online courses, both free and paid. You can use these resources to learn Big Data in general and Hadoop in particular at a time and place convenient to you, like from your home or office; all you need is a willingness to learn and a good internet connection. 

Udemy vs Coursera? Which is best to learn Programming & Tech skills in 2025?

When it comes to online learning, there are no better times than today, as you have access to many platforms like Coursera, Udemy, Pluralsight, Educative, Lynda, CodeCademy, and many more. Out of these, Coursera and Udemy are probably the most popular online learning websites, as more and more people have started using them. One question which keeps comings to me all the time is Coursera vs. Udemy? Which one is better for online learning and which has a better course in general? Earlier, I answered questions like Pluralsight vs. CodeCademy and Udemy vs. CodeCademy but never explained Udemy vs. Coursera, which many of my readers have been asking for some time. So, I decided to write this blog post to illustrate my point of view.

Top 7 Websites to learn Cloud Computing with AWS Online for FREE in 2025 - Best of Lot

Hello guys, if you want to learn AWS and looking for the best websites to platforms for AWS learning material then you have come to the right place. Earlier, I have shared the best AWS courses and guides to pass various AWS certifications and today, I Am going to share the best platforms to learn AWS online. Amazon AWS is a bunch of services offered from Amazon on the cloud to help you empower your business and your web application by offering some services to develop and deploy your application such as EC2 service as well as storing the data in this databases such as S3 service and you can handle the whole infrastructure of your app in one dashboard which is the AWS CloudFormation service and many more just to name a few.

Top 5 Courses to Learn Eclipse IDE for Java Programmers in 2025 - Best of Lot

Hello guys, If you are in Java development, you may know that Eclipse is one of the most popular IDEs for Java development and millions of Java developers used it worldwide. Since IDEs like Eclipse, NetBeans, and IntelliJIDEA are an integral part of a Java developer's life, it makes sense to spend some time learning your IDE like Eclipse and get productive with it. This will not only save a lot of your time during development, testing, and debugging, but it will also make you a better developer. It's said that a craftsman is as good as their tools, and it's true for a programmer also. In general, expert developers have better tools, and they know their tools better, which often differentiates them from average programmers.

Top 10 Educative.io Courses to Learn Essential Programming Skills in 2025 - Best of Lot

Hello guys, today, I am going to talk about a new online learning platform called Educative, a text-based, interactive learning platform. If you are an online learner like me, you might have heard about Educative or come across some of its excellent and most popular courses like Grokking the System Design Interviews course, which I have mentioned earlier in my article about System design Interviews questions. So, what is so special about Educative? How different is it from other popular online platforms like Udemy, Coursera, Pluralsight, and Codecademy? Well, Educative is different becuase it is mainly a text-based learning platform that allows you to code and program right in the browser.

Top 5 Free Agile Courses for Programmers and Software Engineers in 2025 - Best of Lot

Technology is changing at a rapid pace and market conditions, tough competition, and time-to-market are some of the biggest concerns for today's organizations, especially for technology companies. In order to adapt to this fast-changing environment, most companies are now using the Agile model of development, testing, and project management. This enables the organizations to efficiently cope with changes and deliver faster and that's why for a programmer or an IT professional, a solid knowledge of Agile methodologies and framework is important. It doesn't matter whether you know the Waterfall model of development or not but it does matter whether you have worked in an Agile environment or not. In order to educate programmers about Agile, I have shared some of the books to learn Agile in past and today I am going to share some of the free online Agile courses you can take to learn Agile methodologies at your own pace.

Top 5 Online Courses for Content Creators and Instructors in 2025 - Best of Lot

There is something about content creation like online training courses that makes learning so easy. They are affordable, convenient, and accessible everywhere. More and more programmers, bloggers, and experts are now teaching online so that now there are so many high-quality courses available on the internet to learn almost anything. It wasn't like that a couple of years ago when books and tutorials were the primary resources for learning new skills, but there is a huge potential still for both learners and creators when it comes to creating and selling online courses. You can easily make 10K USD per month by selling online courses and more importantly can make a difference in people's life.

Top 5 Courses for CompTIA Network+ certification (with Practice Tests) in 2025 - Best of Lot

Hello guys, CompTIA Network+ certification is a good certification to aim for if you are planning to have any kind of job position that needs networking such as computer networking analyst, computer support, and so on. The certification is aimed at anyone beginner or advanced level of networking knowledge and it is good also if you are considering a career in the network industry. If you already preparing for CompTIA Network+ certification and looking for the best online training courses and practice tests to get ready for the exam then you have come to the right place. 

Top 7 Advanced Microsoft Excel Courses to Learn Macros and VBA in 2025 - Best of Lot

Hello guys, if you want to become an Excel power user by learning advanced Excel features like Macros and VBAs and looking for advanced Excel courses then you have come to the right place. Earlier, I have shared some of the best Excel courses for beginners and in this article, I am going to share the best advanced Excel courses for experienced developers. These online courses will teach you potent Excel features like Macros, VBA, and all sorts of charts that help in Data Visualization. These are the features that make Excel a powerful tool for Automation and Data Visualization, an essential skill of today's data-heavy world. 

Top 5 Courses to Learn WordPress for Beginners in 2025 - Best of Lot

Hello guys, if you want to learn WordPress to create websites and start your career in web design and website development then you have come to the right place. WordPress is one of the most popular platform for website design and hosting all kind of websites like blog, e-commerce, simple website and more and learning Website is one of the best skill to acquire in 2025.  In the past, I have shared the best courses to learn HTML, CSS, JavaScript, Bootstrap, and Web development, and today I will share about the best online training courses to learn WordPress. WordPress is one of the easiest ways to create a website. It's also one of the most essential tools for web designers and web developers. If you know WordPress, you can work on different kinds of companies like startups and even multi-national. WordPress also allows you to do a lot of freelancing work.

Top 5 Courses to Learn JavaFX Online in 2025 - Best of Lot

Hello guys, if you want to learn Java FX and look for the best Java FX courses, you have come to the right place. Earlier, I have shared the best Java Programming programming courses, and today, I will share with you the best online courses to learn Java FX from scratch. Java FX is the latest and greatest way for creating a GUI application in Java. There was a time when AWT and Swing was very popular for developing GUI based application in Java. Still, slowly Java Swing lost that place to C#, which became the standard language for developing desktop GUI and AWS lost the battle with Swing.

Top 5 Courses to learn iOS and Swift for Beginners in 2025 - Best of Lot

Hello guys, it's that time of the Year when we all start making our goals for better health, improving ourselves, and learning new things. Last Year, I focused mainly on the Web Development side and spent time teaching React, Angular, and Node JS, but this year, one of my goals is to explore the mobile world, particularly iOS and Android. At least that's a thought for now, and I am not sure how long I can go given the limited time I get to upgrade myself, but I'll try my best. Btw, suppose you also have the same goal and want to become an iOS developer in 2025. In that case, you should start your journey by learning iOS, Apple's Operating system, which runs on iPhone and iPad, and Swift 5, Apple's programming language for creating iOS apps.

Top 5 Online Courses to Improve Email and Workplace Writing Skills in 2025 - Best of Lot

One of my readers emailed me a couple of days ago and asked If I could suggest something to improve his email writing skills? He says that he is very good at work and programming but sucks on writing emails, and because of that, he never gets the visibility he deserved, resulting in no promotion or career growth. This sounds to be a prevalent problem, especially among programmers whose native language is not English, and who have never attended any business or email writing course. In fact, it was a problem for me as well, but I slowly picked it up though I am still far behind with many people I know who have excellent email communication skills.

Top 6 Free Courses to Learn Scala and Functional Programming in 2025 - Best of Lot

Scala is a powerful object-oriented and functional programming language long touted as the successor to Java or to replace Java. Well, that didn't happen in the last few years, but Scala has undoubtedly made a lot of progress and established itself as a scalable programming language for big things. If you are a social media user and know Twitter, then let me tell you that they are using Scala, which proves that Scala has all the tools you need to build a high-performance, scalable application like Twitter. Twitter is not the only company that is using Scala. If you look at Scala's website, you will find that IBM, Goldman Sachs, Verizon, and SAP use Scala to solve their problems.

Top 5 Courses to Learn Kali Linux in 2025 - Best of Lot

Kali Linux is an open-source Debian system based on Linux developed by the offensive security company for ethical hackers. It contains more than 400 tools categorized to make it easy for security researchers to analyze your network, test the system security, discover different vulnerabilities inside a web application, hide malware in apps, and target Android phones. If you want to learn Kali Linux and looking for the best online courses to learn Kali Linux on your own then you have come to the right place. Earlier, I have shared the best Ethical Hacking courses and Cyber Security Courses, and in his article, I am going to share the best Kali Linux courses for beginners. 

Top 10 Frameworks to become a Full Stack Developer in 2025 - Best of Lot

The Technical world changes as fast the technology changes, and so are the technical jobs. Gone are the days where you can land a job by just knowing one technology or programming language, and somehow survive in the position for many years without learning new things. Many of us get into the programming and web development world by knowing just one or two technology like Java, C++, or JavaScript, but that won't cut the ice anymore. There were teams of tens of people doing specialized jobs like front-end development is done by a separate set of developers and back-end is written by other sets of programmers, commonly known as server-side developers.

Top 10 Angular Tutorials and Courses for Web Developers in 2025 - Best of Lot

Hello guys, if you are interested in learning the Angular framework in 2025, one of the best and most popular JavaScript frameworks for developing component-based Web GUI, and looking for some awesome courses, books, and tutorials then you have come to the right place. Earlier, I have shared the best Angular courses and In this article, I am going to share some of the best resources like books, tutorials, and courses to learn the Angular framework, formerly known as Angular, and now famous as Angular 2. It's backed by Google; hence you should not worry about it being outdated and losing relevance in a couple of years. Any investment you made in learning Angular will pay you rich dividends in the coming years.

Top 5 Online Courses to Learn C Programming in 2025 - Best of Lot

Hello guys, today, I will talk about one of the oldest, reliable, powerful programming languages that have survived for 50 years. Yes, that's right, 50 years. It's a great achievement for any technology to remain relevant for such a long period. If you don't know, the C Programming language is one of the first general-purpose programming languages, invented by Dennis Ritchie and Ken Thomson around 1969. Ken was writing UNIX, another accessible technology that has survived for 50 years around the same time and needed a programming language that can do all kinds of tasks; the result was a C programming language.

Top 5 Courses to Learn Recursion for Dynamic Programming in 2025 - Best of Lot

Hello guys,  if you want to learn and Master Recursion and looking for the best resources like books, online courses, and tutorials then you have come to the right place. Earlier, I have shared the best dynamic programming courses, and 15 Recursion exercises for beginners, and today, I am going to share the best courses to learn Recursion for beginners. Recursion is the process by which a function calls itself again and again directly or indirectly. These types of functions are called recursive functions. All successful software programmers need to have an understanding of how recursive functions work as well as how to build recursive functions. 

Top 10 Free Courses to learn Spring Framework and Spring Boot in 2025 - Best of Lot

Hello guys, if you want to learn Spring Framework and looking for best online resources like books, courses, and tutorials then you have come to the right place. Earlier, I have shared best Spring Framework courses, books, and Spring interview questions and in this article, I am going to share best free courses to learn Spring framework in 2025. When I shared the list of best Spring Courses, a lot of you asked me about free spring courses and this article is the result of that research, but before we get to the 10 best free Spring courses that are perfect for beginners, let me tell you more about what the Spring Framework really is.

Top 8 Courses to Learn about NFTs (Non Fungible Tokens) in 2025 - Best of Lot

Hello guys, if you want to learn what is NFT or Non Fungible Token and what is the buzz around NFT, and have questions like should you create and sell NFT etc then you have come to the right place. Earlier, I have shared best online courses to learn Blockchain and crypto currencies and in this article I am going to share best online courses to learn NFTs, but before that, let's understand what is NFT?  NFTs or else known as Non-Fungible Tokens are a form of digital art. Non-Fungible basically means that they are unique. If you own one NFT, there’s nothing else in this world that is the same as yours. Nothing! That uniqueness and sense of ownership is driving crazy sales with recent reports suggesting that NFT sale clocking at around $70 million and increasing exponentially.

Top 10 Udemy Courses for Python, JavaScript and Web Development in 2025 - Best of Lot

Hello guys, Udemy, one of the most popular online learning platforms, is known for its sale where you can buy a $200 course for just $10, and they are running a sale now. It's actually an excellent time to buy some quality courses as you won't get another chance to buy the course at a price as low as $9.9, but the big question is which courses you should buy on Udemy in 2025? I always purchase courses from the reputed instructor and teach evergreen and in-demand skills like Java, Python, Microservices, Docker, Kubernetes, and AWS. I generally buy a lot of courses in Udemy sales and then access them whenever I need them. Though, I must warn you Udemy is addictive, and I often buy more classes than I need, so beware of that and buy courses you need now or shortly.  

Top 5 Courses to Learn Spring Data JPA Courses in 2025 - Best of Lot

Hello Java programmers, if you want to learn Spring Data JPA in 2025 and looking for the best online courses then you have come to the right place. Earlier, I have shared my favorite courses to learn different projects under Spring frameworks like Spring Boot, Spring Cloud, Spring Security, Reactive Spring + WebFlux,  and Spring MVC and in this article, I am going to share the best Spring Data JPA courses for beginners and experienced Java developers. Spring Data JPA is part of Spring Framework and it really makes it easy to work with JPA providers like Hibernate and EclipseLink. It can greatly improve developer productivity if used correctly.

Top 5 Courses to Learn Dynamic Programming for Coding Interviews in 2025 - Best of Lot

Hello guys, If you are looking for a job and giving interviews then you might have noticed that getting a Software development Job is becoming more and more difficult every day. For example, there was a time when you can get a Java developer position by just knowing Core Java concepts like String, Collections, and Multithreading, etc, but, not anymore. There were definitely some questions on Data structure and Algorithms and even on Dynamic Programming at that time as well, but the focus was always on programming language expertise like Java or Python. But, things have completely changed now, and the focus is more and more on the candidate's ability to solve coding problems.

Top 6 Free SQL Courses for Beginners to Learn Online in 2025 - Best of Lot

Hello guys, we are already in the second week of New year, and everyone is talking about their goals to improve them as a better person, a better programmer, or better health. If you have also made your goal, and one of them is to improve your SQL skill, you have come to the right place because I will share some of the free online courses to learn and master SQL this year. The list includes a free course from Udemy, a popular online portal to learn Oracle, PostgreSQL, and Microsoft SQL Server. Yes, I have tried hard to include free courses on different databases to choose the course you want. 

Review - Is Coursera Plus worth it in 2025? (New Year SALE $200 OFF - 50% Discount Now)

Hello guys, as a programmer, we always need to learn new skills like Generative AI, frameworks, technologies, and libraries, and we often end up buying so many courses for that; I know people who have more than 300 courses on Udemy and other online courses platforms, but Coursera now has a better way, Coursera Plus. This is a subscription plan for Coursera courses and specializations, which will provide you access to their 10000+ courses, guided projects, specialization, and professional certificates with just one subscription. 

Top 8 C++ Online Courses for Beginners to Learn in 2025 - Best of Lot

Hello guys, If you want to learn C++ and looking for some awesome courses and books then you have come to the right place. Earlier, I have shared the best C programming courses, as well as free C++ courses, and the best C++ books for advanced programmers and In this article, I am going to share some of the best courses to learn C++ from scratch. These are the truly great courses from Udemy, Coursera, Pluralsight, and Educative and you can join them to learn C++ online from your home. If you are new to the programming world or have been coding for some time then you know that C++ is one of the most popular and widely used programming languages. It was the first major object-oriented programming language that was used widely by the software development industry as well as in Academia.

Top 7 Courses to Learn UI and UX Design in 2025 - Best of Lot

Hello guys, If you always wanted to learn UX design and become a UX designer and looking for the best UI/UX design online courses to start with, then you have come to the right place. In the past, I have shared the best web design courses, best Figma courses, one of the popular UI design tool, and web development courses, and In this article, I will share the best UX online courses and certifications you can join to become a UX designer in 2025. The demand for UX/UI and Web Design professionals continues to increase in today's job market. Learning UI or UX skills can open doors to many jobs, both local and remote.  It goes without saying that certification in any discipline will give you a leg up on your job hunt.

Top 7 Python Data Structures and Algorithms Courses in 2025 - Best of Lot

Hello Python developers, if you want to learn Data structure and Algorithms in the Python Programming language and look for the best online courses, you have come to the right place. In the past, I have shared a lot of valuable resources like free data structure courses, books, and tutorials to learn Data Structure and Algorithms for programmers. I have also shared a lot of Algorithmic interview questions and their solutions in Java. Still, I have constantly been getting queries about good courses to learn Data Structure and Algorithms in Python and JavaScript. Even though the topics are completely independent of the programming language, Python developers definitely like the classes and books that teach Python's data structure and algorithms.

Top 5 Online Courses to Learn Coding and Software Development in 2025 - Best of Lot

Programming and/or Coding is one of the essential skills for today's technological world, and awareness of coding is growing every passing day. In my time, about 20 years back, I only learned to code when I entered engineering college to pursue Computer Science and Engineering degree, but things have changed a lot since then. Nowadays, even kids have started learning to code, even my daughter can code, and much better than what I can also do in college. More accessible computing gadgets like iPad, iPhones, smartphones, and Laptops have genuinely changed the environment and made Coding or Programming more accessible.

6 Free DevOps Courses for Experienced Developers in 2025 - Best of Lot [UPDATED]

Hello Java Programmers and developer friends, If you are an experienced developer and want to become a DevOps Engineer or just want to learn the DevOps process and tools to improve your development and delivery process and looking for free DevOps online courses to kickstart your journey, then you have come to the right place. Earlier, I shared the best DevOps books and training courses, and today, I will share the best free online lessons to learn about DevOps. These free courses are created by experts and trusted by thousands of developers and they will teach you DevOps concepts, practice, DevOps tools like Docker, Jenkins, Ansible, and Kubernetes and suitable for both beginners and experienced developers. They are also curated from popular online learning platforms like Udemy, Pluralsight, and Coursera, and they offer practice and hands-on training.

Top 10 Coursera Courses and Certifications for Java Developers in 2025 - Best of Lot

Hello guys, if you are looking to learn Java on Coursera, one of the most reputed online course platforms and looking for the best Courser courses for Java Developers then you have come to the right place. Earlier, I have shared the best Java development courses from Udemy,  Pluralsight, and LinkedIn Learning, and today, I am going to share Java courses from Coursera. The list includes both beginner-level and advanced-level Coursera courses for Java developers. This means you will not only find courses to learn core Java but also courses to learn advanced concepts like concurrent programming, distributed programming, Microservices, and Spring Framework. 

9 Blockchain Courses & Certifications For Beginners in 2025 - Best of Lot

Hello folks, if you are not living under the rock, you would have definitely heard about Blockchain and Cryptocurrencies. Blockchain is one of the most in-demand skills, and there are not many people out there. If you want to learn Blockchain and related technologies like Ethereum, Solidity, Hyperledger, etc., and are looking for Blockchain training courses and certification, you have come to the right place. But, before that, let's get a quick overview of what Blockchain is, why it's popular, and why you should learn Blockchain in 2025.

Top 6 Online Courses to Learn Flutter in 2025 - Best of Lot

If you are like me, who thinks Flutter is the future of mobile development and looking for some excellent online courses to learn Flutter, then you have come to the right place. In this article, I am going to share some of the best online courses to learn Flutter in 2025 from Udemy, Pluralsight, and Coursera, but before going into that, let's see what Flutter is and why everyone is so excited about it. Well, in general, whenever something comes from Google, it makes a lot of developers excited like Angular, Dart, and now Flutter. I have got my hand dirty in both Android and iOS using Java and Objective-C in the past, but after working for some time, I decided to move on.

13 Advanced Spring Framework Courses for Experienced Developers in 2025 - Best of Lot

Hello guys, if you are a Java developer and want to learn Spring Framework in-depth and looking for some advanced Spring online courses to learn things like Spring Boot, Spring Cloud, Spring Data JPA, Spring Security, Spring MVC, etc then you have come to the right place. Earlier, I have shared the best courses to learn Spring Boot, Microservices, and Hibernate and JPA and in this article, I am going to share the best and advanced Spring Framework courses for experienced Java developers. There is no doubt that the Spring framework is probably the most important skill for Java developers, but just knowing Spring is also not enough. 

Top 10 Free Courses to Learn Python in 2025 - Best of Lot

There is no doubt that Python is currently the world's #1 programming language and the biggest advantage of that is it's bringing more and more people into the programming world. In recent years, I have seen more people learning Python than any other language, yes, not even JavaScript. Many of them learning Python to explore some awesome Data Science and Machine learning libraries provided by Python. Some people are also learning Python for web development and there are still many developers who are learning Python for scripting and automating trivial tasks. It doesn't matter why you are learning Python at this moment, it's a great thing in itself that you have decided to learn Python.

5 Best Spring Security Online Training Courses for Java Developers (2025)

Hello Java developers Spring Security is one of the leading open-source, security frameworks that allow you to implement security in Java-based web applications. It provides several security features like authentication, authorization, the remember me functionality out-of-the-box, which means you can directly use them without adding code or changing your class. Yes, Spring Security implements security at the application level i.e. you can even secure your non-secure resource without modifying them. It is also the leading framework to secure RESTful Web Services. Because of all these, the demand for Java developers with good knowledge of Spring Security is very high.

Top 10 Online Courses to Crack Coding Interviews in 2025 - Best of Lot

To be honest with you, getting your first job is never easy. It is, in fact, the most laborious task, and you need to put your best effort into finding a role in your dream company. Most of the computer science graduates dream of working for Google, Facebook, Amazon, Microsoft, and Apple, but they are often not able to clear their rigors coding interviews. The single most important reason for failing those coding job interviews is a lack of knowledge and practice; hence, it becomes increasingly important that you prepare hard in advance. Unfortunately, I learned this little too late after spoiling my chances at Microsoft and Amazon, but you can learn from my experience and prepare better for your programming job interviews.

Top 8 Courses to Learn Terraform in 2025 - Best of Lot

Hello folks, if you have done infrastructure deployment like creating a server, installing applications, and creating a production environment then you know that deploying and maintaining traditional infrastructure is a manual task fraught with repetitive tasks, inconsistent configuration, and always out-of-date documentation. Terraform is an essential DevOps tool that is used to version infrastructure as code. If you want to learn Terraform in 2025 then you have come to the right place. In the past, I have shared the best DevOps courses and best online courses to learn essential DevOps tools like Docker, Jenkins, and Kubernetes, and today I am going to share the best online courses to learn Terraform in 2025. The list contains courses for both beginners and experienced engineers.

Factory Pattern in Java | Static Factory method Example

Factory design pattern in Java, also known as Factory pattern or static factory method pattern provides and indirect and alternate way of creating object than directly using public constructors in Java. Though constructor is most common way of creating object, it's not always best way to do that. Factory pattern, first introduced by GOF in there timeless classic GOF book as creational pattern offers lot of advantage over public constructor for creating objects. It not only encapsulate logic of object instantiation, but also enforce use of tried and tested design principles like programming for interface than implementation by returning super type of objects. 

What is SAGA Design Pattern in Microservices? With Examples

 Hello guys, I have been writing about Microservices and Java from long tie and in the past, I shared with you 10 essential Microservice design patterns and principles and best Microservices courses for Java developers which many of you appreciated. At the same time, a lot of you asked me to go deep down into each of those patterns and explain them with examples. So I decided to create this new series of Microservice Pattern tutorials where I will explain each of those essential Microservice pattern with example every week. So far, we have covered Database Per Microservices, CQRS, Event Sourcing, and Circuit-breaker pattern and in this article, let's have a look at SAGA Pattern, how does it work, what problem it solves and pros and cons of SAGA Pattern with examples. 

Difference between Microservices and Monolithic Architecture

Hello guys, if you are preparing for Microservice developer interview or just a JAva developer interview where Microservices skills are needed then you must prepare with the difference between Monolithic and Microservices articles. It's one of the popular Microservices interview questions and often asked on both face-to-face round of interview or telephonic interviews.  Microservices and monolithic architectures are two of the most common approaches to building software systems. While both approaches have their benefits and drawbacks, they differ significantly in terms of their architecture, development, deployment, and maintenance.

Database Per Microservice Pattern in Java - Example Tutorial

Hello guys, in the last article, I share with your 10 essential Microservice design patterns and principles and best Microservices courses for Java developers which many of you appreciated. At the same time, a lot of you asked me to go deep down into each of those patterns and explain them with examples. So I decided to create this new series of Microservice Pattern tutorials where I will explain each of those essential Microservice pattern with example every week. In this article, let's have a look at what is database per microservice. Microservice architecture is a combination of a set of loosely coupled microservices and each service can be developed independently in an agile manner. We can use this pattern and practices when designing microservices. So let's go deep into what is database per microservice is and why we use it in our programming. 

What is API Gateway Design Pattern in Microservices? With Examples

Hello guys, if you are creating Microservices then you may know that API Gateway Design Pattern is a pattern that has emerged as a popular solution for managing APIs in a microservices architecture. As the number of services in the architecture increases, it becomes challenging to manage the APIs and handle requests from external clients. To address this challenge, API Gateway Design Pattern provides a single entry point for all the APIs in a microservices architecture. In the past, we have learned about Database Per Microservices, SAGA, CQRS, Event Sourcing, and Circuit-breaker pattern and in this article, we'll discuss the API Gateway Design Pattern in microservices and provide examples of how to implement it.

What is Event Sourcing Design Pattern in Microservices? Event Sourcing and CQRS Architecture

Hello guys, In the world of microservices architecture, Event Sourcing Design Pattern is gaining increasing popularity as a way to manage data and processes across multiple services. This pattern, which is based on the idea of storing events rather than just the current state of an object, allows developers to build scalable, fault-tolerant, and event-driven systems. In the past, we have learned about Database Per Microservices, SAGA, CQRS, API Gateway, and Circuit-breaker pattern and in this article we will learn about the Event Sourcing Design Pattern in Microservices Architecture. Event Sourcing is a design pattern that is commonly used in microservice architectures to manage and store changes in the state of a system. As I said, It is based on the concept of capturing and storing all changes (events) made to the system as a sequence of events, rather than just the current state of the system.