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Future Interface in Java

Last Updated: 01 November 2025

The Future interface is a part of java.util.concurrent package, introduced in Java 5. It represents the result of an asynchronous computation, a value that will be availab...read more

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Java-Multithreading

Callable interface in Java

Last Updated: 01 November 2025

The Callable interface is a part of the java.util.concurrent package, introduced in Java 5. It represents a task that can be executed by multiple threads and return a resu...read more

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Java-Multithreading

Monitor in Java

Last Updated: 30 October 2025

A monitor in Java is a synchronization mechanism that controls concurrent access to an object. It ensures that only one thread can execute critical section (a block of cod...read more

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Java-Multithreading

What is Lock in Java

Last Updated: 30 October 2025

A lock is a synchronization mechanism that allows only one thread to access a shared object or class at a given time. When a thread acquires a lock, other threads attempti...read more

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Java-Multithreading

Concurrency Problems in Java

Last Updated: 11 October 2025

In Java, concurrency enables multiple threads to execute simultaneously, thereby enhancing performance and efficiency. However, improper handling of shared resources can c...read more

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Java Concurrent Data Handling & Debugging Best Practices Interview Questions

Last Updated: 25 August 2025

This page covers advanced Java interview questions on concurrency, focusing on safe data handling and debugging. It includes topics like thread-safe collections (Concurren...read more

Java-Multithreading

Java Concurrency Tools & Modern Java Techniques Interview Questions

Last Updated: 25 August 2025

This focuses on advanced interview questions around Java's concurrency utilities and modern parallelism techniques. It covers the Executor framework, thread pools, Callabl...read more

Java-Multithreading

Java Multithreading Fundamentals & Lifecycle Interview Questions

Last Updated: 25 August 2025

This explores essential and advanced interview questions on Java multithreading, focusing on thread creation using Thread vs Runnable, lifecycle states, and core thread me...read more

Java-Multithreading

Thread Safety vs Non-thread Safety

Last Updated: 18 July 2025

When multiple threads work on the same data and the value of that data changes, the scenario is not thread-safe, resulting in inconsistent results. When a thread is alread...read more

Java-Multithreading

Java Thread.activeCount() Method

Last Updated: 23 July 2025

Thread.activeCount() method is a static method of the Thread class in Java that returns the number of active threads in the current thread's thread group and its subgroups...read more

Java-Multithreading

Java Thread Class

Java Thread.enumerate() Method

Last Updated: 23 July 2025

Thread.enumerate() method in Java is used to retrieve all active threads in the current thread's thread group, and it stores these threads in an array. This method provide...read more

Java-Multithreading

Top 30 Plus Advanced Java Interview Questions and Answers 2025

Last Updated: 23 July 2025

Java is a leading programming language essential for developing enterprise solutions, mobile apps, and web platforms. This article provides a comprehensive set of Advanced...read more

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Interview Questions

Effective Utilization of TreeMap in Concurrent Java Applications

Last Updated: 23 July 2025

A Java application may run many threads concurrently thanks to multithreading. Thread safety must be guaranteed when utilizing data structures like TreeMap in a multithrea...read more

Java-Multithreading

How to Copy a File in Multiple Threads Using Java?

Last Updated: 23 July 2025

Copying files is a task, in programming that deals with file manipulation. Although Java offers tools, for file handling copying files can slow down our application's perf...read more

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Java-Multithreading

Which Method Should We Use to Release a Lock from a Thread in Java?

Last Updated: 23 July 2025

In JVM we have the option of multithreading. It isan act of executing a complex process using virtual processing entities independent of each other. These entities are cal...read more

Java-Multithreading