Javarevisited

Surprisingly " Difference between transient and volatile keyword in Java " has asked many times on various java interviews . ...

Most of the Java developers know that wait() , notify(), and notifyAll() methods of object class must have to be called inside synchroniz...

The difference between wait and sleep or the difference between sleep and yield in Java is one of the popular core Java interview questi...

Thread vs Runnable in Java is always been a confusing decision not just for beginner s  in J ava but also for developers who have done a...

What is the difference between Executor.submit() and Executor.execute() method in Java? This is one of the good multi-threading questions...

One of the common questions from programming interviews is, what is the difference between a Thread and a Process? Well, the main differen...

Hello guys, writing multi-threaded and concurrent programs is not easy, not even in Java.  Even senior developers, including myself, make m...

Writing concurrent code is hard and testing correctness with concurrency is even harder. Though Java programming language provides lots of ...

Hello guys, if you are an experienced Java developer say 3 to 5 years or 5 to 7 years experience and  preparing for Java Interviews then you...

Multi-threading and concurrency questions are an essential part of any Java interview. If you are going for any Java interview on any Inve...

How to avoid deadlock in Java? Is one of the popular Java interview question and flavor of the season for multi-threading, asked mostly at...

You go to any Java interview, senior or junior, experience or freshers,  you are bound to see a couple of questions from the thread, concur...

Wait and notify methods in Java are used for inter-thread communication i.e. if one thread wants to tell something to another thread, it us...

Many Java programmers confused themselves like hell while writing multi-threaded Java programs like where to synchronized? Which Lock to us...

All three classes Executor , ExecutorService , and Executors are part of Java's Executor framework which provides thread pool facil...

What is a volatile variable in Java and when to use the volatile variable in Java is a famous multi-threading interview question in Java in...

SynchronousQueue is a special kind of BlockingQueue in which each inserts operation must wait for a corresponding remove operation by anoth...

ReentrantLock in Java is added on java.util.concurrent package in Java 1.5 along with other concurrent utilities like CountDownLatch , Exe...

Why to do one call start method of the thread if start() calls run() in turn " or " What is the difference by calling start (...

Race condition in Java is a type of concurrency bug or issue that is introduced in your program because of parallel execution of your pro...