超线程的相关练习

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import java.awt.Container;

import javax.swing.*;

public class Animation extends JFrame implements Runnable{

JLabel jlb = null;
int frame = 0;
ImageIcon[] img = new ImageIcon[3];

public Animation(){
super("");

for(int i=0; i img[i] = new ImageIcon("res/card" + i + ".png");
}

jlb = new JLabel(img[0]);

Container c = this.getContentPane();

add(jlb);
new Thread(this).start();
this.setSize(500,600);
this.setVisible(true);

}

public void run(){
while(true){
jlb.setIcon(img[++frame%3]);
try{

//线程的启动
Thread.sleep(1000);
}catch(InterruptedException ie){
ie.printStackTrace();
}
}
}

public static void main(String[] args) {
new Animation();

}

}