线程整理

public class ThreadTest extends Thread {

    public void run()
    {
        for (int i = 0 ; i <20; i ++)
        {
            try {
                Thread .sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }       //休眠   毫秒
            
            
            
        System.out.println(this.getName()+"i="+i);
        
        
    }
    
    
    }
    
    
}






public class testThread {

    public static void main(String[] args) throws InterruptedException {

        //启动了单线程
        
        Thread .sleep(200);         //休眠
        
        /*for (int i = 0 ; i <20; i ++)
        {
            Thread .sleep(200);       //休眠   毫秒
            
            System.out.println("i = "+i);
            
            //Thread.
        }*/
        
        ThreadTest tt = new ThreadTest ();
        
        tt.setName("tt");
        tt.start();    //启动线程
        
        ThreadTest tt1 = new ThreadTest ();
        
        tt1.setName("tt1");
        tt1.start();    //启动线程
        
        
        
        
        
        
    }

}