线程通信(交替执行)
package com.kaibing.thread; /** * 线程的通信 * <p> * wati() * notify():随机唤醒一个 * notifyAll():全部唤醒 */ class PrintNum implements Runnable { int num = 1; @Override public void run() { while (true) { synchronized (this) { notify(); if (num <= 100) { try { Thread.currentThread().sleep(10); } catch (InterruptedException e) { e.printStackTrace(); } System.out.println(Thread.currentThread().getName() + ":" + num); num++; } else { break; } try { wait(); } catch (InterruptedException e) { e.printStackTrace(); } } } } } public class Communication { public static void main(String[] args) { PrintNum p = new PrintNum(); Thread t1 = new Thread(p); Thread t2 = new Thread(p); t1.setName("A"); t2.setName("B"); t1.start(); t2.start(); } }