Top 20 Apache Spark Interview Questions and Answers

As a Big Data specialist, it's critical that you understand all of the words and technologies associated with the area, including Apache Spark, which is one of the most prominent and in-demand Big Data technologies. With the IT industry’s increasing need to calculate big data at high speeds, it’s no wonder that the Apache Spark mechanism has earned the industry’s trust. Apache Spark is one of the most common, general-purpose, and cluster-computing frameworks. There are many common interview questions which is related to apache sparks. Let's have a look at each of them with explanations. 

Difference between Spark and Hadoop In Java

Are you a Java developer feeling confused about the differences between Apache Spark and Hadoop? Well, you're not alone. Both of these powerful technologies have become synonymous with big data processing and have taken the Java community by storm. However, it's important to understand the differences between the two so that you can choose the right tool for the job. Don't worry, we've got you covered. In the past, I have shared best Big Data courses and free Apache Spark online courses as well as Big Data and Hadoop interview questions and In this article, we'll take a light-hearted look at the key differences between Apache Spark and Hadoop, so that you can finally get some clarity on which technology is right for you.