memsharesample(sync).java

public class StopThread {
        private static boolean stopRequested;
        private static synchronized void requestStop() {
            stopRequested = true;
        }
        private static synchronized boolean stopRequested() {
            return stopRequested;
        }
        public static void main(String[] args)
                throws InterruptedException {
            Thread backgroundThread = new Thread(new Runnable() {
                public void run() {
                    int i = 0;
                    while (!stopRequested())
                        i++;
                }
            });
            backgroundThread.start();
            TimeUnit.SECONDS.sleep(1);
            requestStop();
        }
    }