join() method in Java Thread : The join() method of a Thread class allows the current thread to wait until the thread in which it is called will die. Sometime a question is asked in the interviews ...

ForkJoinPool is a powerful Java class used for processing ... Once processing is forked, the join() method ensures that threads wait for each other until the process has been finalized.

Multithreaded programs often function erratically or produce erroneous values due to the lack of thread synchronization ... a synchronized method. // SynchronizationDemo2.java class ...