Java ThreadGroup resume() method
The resume() method of ThreadGroup class is used to resume all threads in the thread group which was suspended using suspend() method.
public final void resume()
SecurityException: This exception throws if the current thread is not allowed to access the thread group or any of the threads in the thread group.
ExampleTest it Now
Starting of Thread-1 Starting of Thread-2 Thread-2 completed executing Thread-1 completed executing