package study.java.thread.sleep; public class TestSleep implements Runnable { @Override public void run() { for (int i=0;i<10;i++) { System.out.println("i="+i); } } public static void main(String[] args) { TestSleep testSleep = new TestSleep(); Thread myThread = new Thread(testSleep); myThread.start(); try { // myThread.sleep(1000); Thread.sleep(1000); System.out.println("main over========="); } catch (InterruptedException e) { e.printStackTrace(); } } }