JAVA日报

JAVA多线程

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); // 让线程睡眠一会

Thread.sleep(50); } }catch (InterruptedException e) { System.out.println("Thread " + threadName + " interrupted."); }

System.out.println("Thread " + threadName + " exiting."); } public void start () { System.out.println("Starting " + threadName );

if (t == null) { t = new Thread (this, threadName);

t.start (); } } } public class TestThread { public static void main(String args[]) { RunnableDemo R1 = new RunnableDemo( "Thread-1"); R1.start(); RunnableDemo R2 = new RunnableDemo( "Thread-2"); R2.start(); } }