Java线程的暂停(suspend)和恢复(resume)
2021/9/6 20:09:02
本文主要是介绍Java线程的暂停(suspend)和恢复(resume),对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
package org.example.thread; public class SuspendAndResumeThread extends Thread { private long count = 0; public long getCount() { return count; } public void setCount(long count) { this.count = count; } @Override public void run() { while (true) { count++; } } }
package org.example.thread; public class SuspendAndResumeThreadDemo { public static void main(String[] args) { try { SuspendAndResumeThread thread = new SuspendAndResumeThread(); thread.start(); Thread.sleep(5000); // work1 thread.suspend(); System.out.println("暂停"); System.out.println("work1= " + System.currentTimeMillis() + " count=" + thread.getCount()); Thread.sleep(5000); System.out.println("work1= " + System.currentTimeMillis() + " count=" + thread.getCount()); thread.resume(); System.out.println("恢复"); Thread.sleep(5000); // work2 thread.suspend(); System.out.println("暂停"); System.out.println("work2= " + System.currentTimeMillis() + " count=" + thread.getCount()); Thread.sleep(5000); System.out.println("work2= " + System.currentTimeMillis() + " count=" + thread.getCount()); thread.resume(); System.out.println("恢复"); Thread.sleep(5000); // work3 thread.suspend(); System.out.println("暂停"); System.out.println("work3= " + System.currentTimeMillis() + " count=" + thread.getCount()); Thread.sleep(5000); System.out.println("work3= " + System.currentTimeMillis() + " count=" + thread.getCount()); } catch (InterruptedException e) { e.printStackTrace(); } } }
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