多线程

package cn.itcast_04; /* * 线程休眠: * public static void sleep(long millis):在指定的毫秒数内让当前正在执行的线程休眠（暂停执行），此操作受到系统计时器和调度程序精度和准确性的影响。 */ public class ThreadSleepDemo { public static void main(String[] args) { // 创建线程对象 ThreadSleep ts1 = new ThreadSleep(); ThreadSleep ts2 = new ThreadSleep(); ThreadSleep ts3 = new ThreadSleep(); // 命名线程字字 ts1.setName("陈思诚"); ts2.setName("陈晨"); ts3.setName("陈佩思"); // 启动线程 ts1.start(); ts2.start(); ts3.start(); } }

package cn.itcast_04; import java.util.Date; public class ThreadSleep extends Thread { @Override public void run() { for (int x = 0; x < 50; x++) { System.out.println(getName() + ":" + x + ",日期:" + new Date()); // 睡眼 // 困了,稍微休息1秒钟 try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }