Question

java awt 窗口关不掉，应该加什么？

import java.awt.Frame;
public class text3{
private Frame f;

public text3(){
f = new Frame("Let's study java");
}

public void launchFrame(){
f.setSize(400,200);
f.setVisible(true);
}

public static void main(String[] args){
text3 guiWindow = new text3();
guiWindow.launchFrame();
}

}

Answer 1

import java.awt.Frame;
public class text3{
private Frame f;

public text3(){
f = new Frame("Let's study java");
}

public void launchFrame(){
f.setSize(400,200);
f.setVisible(true);
f.setdefaultoperation(dispose......)有这方法，具体我记不得了，
}

public static void main(String[] args){
text3 guiWindow = new text3();
guiWindow.launchFrame();
}

}

Answer 2

f.addWindowListener(new WindowAdapter(){
@Override public void windowClosing(WindowEvent e){
System.exit(0);

}

});

Answer 3

ctrl加ait加.