java线程Demo

class MyThread implements java.lang.Runnable {private int threadId;public MyThread(int id) {this.threadId = id;}@Overridepublic synchronized void run() {for (int i = 0; i < 10; ++i) {System.out.println("id: " + this.threadId + " : " + i);}}}public class ThreadDemo {/** * @param args * @throws InterruptedException */public static void main(String[] args) throws InterruptedException {for (int i = 0; i < 10; ++i) {new Thread(new MyThread(i)).start();Thread.sleep(1);}}}