Java ThreadGroup interrupt() method

Last Updated : 17 Mar 2025

The interrupt() method of ThreadGroup class is used to interrupt all the threads in the thread group.

Syntax

Return

This method does not return any value.

Exception

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.

Example

Output:

Thread-1 starts
Thread-2 starts
Thread-1 interrupted
Thread-1 completed executing
Thread-2 completed executing