Java 多线程：推荐方式一：RunnableDemo.java

RunnableDemo.java

• class RunnableDemo implements Runnable {
• private Thread t;
• private String threadName;
• RunnableDemo(String name) {
• threadName = name;
• System.out.println(Creating + threadName);
• }
• public void run() {
• System.out.println(Running + threadName);
• try {
• for (int i = 4; i > 0; i--) {
• System.out.println(Thread: + threadName + , + i);
• Thread.sleep(50);
• }
• } catch (InterruptedException e) {
• System.out.println(Thread + threadName + interrupted.);
• }
• System.out.println(Thread + threadName + exiting.);
• }
• public void start() {
• if (t == null) {
• t = new Thread(this, threadName);
• t.start();
• ……（完整代码见本节卡片）