Closing a JFrame using a button in eclipse

Question

I'm a rookie when it comes to programming. We have this project about a log-in profile account. I just started doing it; and I came across a specific problem. I want to close a frame using a button.

buttonenter.setText("Enter");
     buttonenter.addActionListener(new ActionListener (){
       public void actionPerformed (ActionEvent ae){

           }
    });

I tried placing my frame.dispose();, set.Visible(false) etc. but i just got an error. I don't quite get. I really appreciate the help! Thank you!

Look like duplicated question: http://stackoverflow.com/questions/12688874/close-window-on-button-click — Farnabaz, Oct 05 '12 at 16:04

score 4 · Accepted Answer · answered Oct 05 '12 at 16:32

Here's a simple example of what you're trying to do. What errors are you receiving?

private void initialize() {
    frame = new JFrame();
    frame.setBounds(100, 100, 450, 300);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JButton btnClose = new JButton("CLOSE");
    btnClose.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            frame.setVisible(false);
        }
    });
    frame.getContentPane().add(btnClose, BorderLayout.NORTH);
}

Thank you so much for your help. :D I got my answer. the setVisible and dispose() was helpful. I guess I should read more. :D Problem solve! :D — Frances T., Oct 07 '12 at 14:21

score 3 · Answer 2 · answered Oct 05 '12 at 16:35

3

from JButtons ActionListener you can to call

JFrame#dispose(); (terminating current JVM)
JFrame#setVisible(false); (hide JFrame)
System.exit(0); (terminating current JVM)

and/or with (another standard ways are)

setDefaultCloseOperation();
add WindowListener and override proper event windowClosing();

answered Oct 05 '12 at 16:35

mKorbel

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+1 See also this [approach](http://stackoverflow.com/a/5540802/230513) using `dispatchEvent()`. – trashgod Oct 05 '12 at 17:03

score 0 · Answer 3 · answered Nov 03 '17 at 14:39

0

when you close any objects by false visible, actually you just hide that object whereas the object stays in the memory yet.

you better use the frame.dispatchEvent(new windowEvent(frame,windowEvent.window_closeing)); method

answered Nov 03 '17 at 14:39

reza

1

Closing a JFrame using a button in eclipse

3 Answers3