Java™ Phrasebook

Pausing a Thread

MyThread thread = new MyThread(); thread.start(); while (true) { // do work... synchronized (thread) { thread.doWait = true; } // do work... synchronized (thread) { thread.doWait = false; thread.notify(); } } class MyThread extends Thread { boolean doWait = false; public void run() { while (true) { // do work... synchronized (this) { while (doWait) { wait(); } catch (Exception e) { } } } } } }

This phrase shows you how to pause a thread from a different thread. In the phrase, we use the variable doWait as a flag to pause the execution of MyThread. In the run() method of MyThread, we check the doWait flag after performing some work in a loop to determine if we need to pause the thread’s execution. If the doWait flag is set to ...