twothread1.java

来自「JAVA的一些基础教程」· Java 代码 · 共 30 行

  public class TwoThread1 extends Thread {  
       private Thread creatorThread;  
       public TwoThread1() {  
           // 获取调用构造函数的线程  
           creatorThread = Thread.currentThread();  
       }  
       public void run() {  
            for ( int i = 0; i < 5; i++ ) {  
                showMsg();  
            }  
        }  
        public void showMsg() {  
            // 获取运行该函数的线程  
           Thread t = Thread.currentThread();  
            if ( t == creatorThread ) {  
               System.out.println("创建线程的线程");  
           } else if ( t == this ) {  
               System.out.println("新线程");  
           } else {  
               System.out.println("其他线程");  
           }  
       }  
       public static void main(String[] args) {  
           TwoThread1 tt = new TwoThread1();  
           tt.start();  
           for ( int i = 0; i < 5; i++ ) {  
               tt.showMsg();  
           }  
        }  
}