2011-4-24java多线程基础

package multithreading;import java.io.IOException;/** * thread state can be divided into following 4 states: * 1. new  new Thread(); * 2.runnable t1.start; * 3.running execute code; * 4.blocked just like join or sleep or something else; * 5.dead the run method is completely executed or get some exception * tips: * this difference between start() and run() * start is to start a thread ,this is mean that a new thread join into the cpu * run is just a method. * @author Master.Roshi * */public class ThreadState implements Runnable {public void run(){for(int i=0;i<10;i++)System.out.println(Thread.currentThread().getName()+":"+i);}public static void main(String[] args) throws IOException{Thread t1=new Thread(new ThreadState());Thread t2=new Thread(new ThreadState());        t1.start();//when a thread meet I/O manipulate,it will be blocked.int data=System.in.read();//after running t1 is dead.System.out.println("t1 is alive?:"+t1.isAlive());System.out.println("the main dead.");}}