使用示例

class MyThread extends Thread{
    private String name ; 
    public MyThread(String name){
        this.name = name ;
    }

    public void run(){
        for(int i=0;i<10;i++){
            System.out.println(name + "运行,i = " + i) ;
        }
    }
};

public class Test {
    public static void main(String args[]){
        MyThread mt1 = new MyThread("线程A ") ;
        MyThread mt2 = new MyThread("线程B ") ;
        mt1.start() ;
        mt2.start() ;
    }
};