Top 10 Java wait, notify, Locking and Synchronization Interview Questions

There has been a lot of articles and books written on how to use wait and notify in Java, how they work, when do you need synchronization, a...

Difference between a Thread and an Executor in Java

Even though both Thread and Executor, both are used to executed some code in parallel, there are some key differences between them.The main ...

5 Essential difference between Callable and Runnable interface in Java?

The difference between Callable and Runnable is one of the most frequently asked multi-threading and concurrency interview question in Jav...

Difference between notify and notifyAll in Java - When and How to use

notify vs notifyAll in Java What is the difference between notify and notifyAll method is one of th e tricky Java questions , w hich is eas...

Difference between ExecutorService.submit() and Executor.execute() methods in Java?

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

Difference between Wait and Sleep, Yield in Java

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

ReentrantLock Example in Java, Difference between synchronized vs ReentrantLock

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

How to Join Multiple Threads in Java - Thread Join Example

Join method from Thread class is an important method and used to impose order on execution of multiple Threads. The concept of joining multi...