为什么我的frame不能关闭？

[Jack777]

public class CenterFrameTest {
public static void main(String[] args) {
CenterFrame frame = new CenterFrame();
frame.show();
}
public CenterFrameTest{
setSize(300,200);
}
}

结束后，还要结束任务？？？

[jczjczjcz]

public class CenterFrameTest {
public static void main(String[] args) {
CenterFrame frame = new CenterFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.show();
}
public CenterFrameTest{
setSize(300,200);
}

}

[Jack777]

真的可以,谢谢.

[yuebenxian]

dispose不可以吗??

[apan_bj]

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
置系统默认的关闭为退出程序。
你也可以加入事件监听

[GhostKiller]

还可以这样,加入事件监听.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class CenterFrameTest {
public static void main(String[] args) {
CenterFrame frame = new CenterFrame();
frame.show();
}
}

class CenterFrame extends JFrame {
public CenterFrame() {
setSize(300,200);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent evt) {
System.exit(0);
}
});

}
}