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TheadTest2.java
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104 lines (82 loc) · 2.49 KB
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package BasicAndDontKnow;
import java.awt.Component;
import javax.swing.JButton;
/*
* 新建线程的两种方式：继承Thread类，重写run()
* 实现Runnable接口，实现run()
* */
public class TheadTest2 extends Thread{
public static void main(String[] args) {
//new新建状态
Thread thread1= new myThread1();
Thread thread2= new myThread2();
Thread thread3=new Thread(new runnable());
//Runnable就绪状态
//每次执行的是哪个线程是不确定的
thread1.start();
//在run方法中有出现可能需要处理的异常
Thread.currentThread().setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread t, Throwable e) {
System.out.println("异常的线程:"+t.getName());
System.out.printf("异常%s:%sn",e.getClass().getName(),e.getMessage());
t.start();
}
});
thread2.start();
thread3.start();
/*在线程1中执行Runnable类
* 可以看出，执行的是myThread1中的run方法
* 原因：Thread也实现了Runnable接口，而run方法也在Runnable接口中实现
* 查看源码：Thread类中有target，则执行target的run方法
* @Override
public void run() {
if (target != null) {
target.run();
}
}
但是例子中的myThread1重写了run方法，因此没有机会执行Thread类中的run方法，而是直接执行了myThread1中的run方法
* */
/*Thread thread1=new myThread1(new runnable());
thread1.start();
thread1.interrupt();
System.out.println("线程当前状态:"+thread1.getState());*/
}
}
class myThread1 extends Thread{
public myThread1(Runnable runnable){
super(runnable);
}
public myThread1(){
}
public void run(){
for(int i=0;i<10;i++){
System.out.println("线程名1:"+Thread.currentThread().getName()+" "+i);
try {
sleep(3000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(Thread.currentThread().isInterrupted()){
System.out.println("当前线程被中断");
}
}
}
}
class myThread2 extends Thread{
public void run(){
for(int i=0;i<10;i++){
System.out.println("线程名2:"+Thread.currentThread().getName()+" "+i);
}
}
}
class runnable implements Runnable{
@Override
public void run() {
// TODO Auto-generated method stub
for(int i=0;i<10;i++){
System.out.println("线程名3："+Thread.currentThread().getName()+" "+i);
}
}
}