Creating a frame in JAVA and closing it by clicking the close button

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For, creating a frame and closing frame following code should be followed.

What is Windows Listener?

Windows Listener: The listener interface for receiving window events. The class that is interested in processing a window event either implements this interface (and all the methods it contains) or extends the abstract WindowAdapter class (overriding only the methods of interest).

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Code:

import java.awt.*;
import java.awt.event.*

class MyFrame extends Frame {
        public static void main(String[] args) {
                //creating a class

                MyFrame f = new MyFrame();

                //set a title for myframe

                f.setTitle("My First Frame");

                //set the size of frame
                f.setSize(400,350);

                //displaying the frame
                f.setVisible(true);

                //close the frame
                f.addWindowListener(new Myclass());
        }
}
class Myclass implements WindowListener
{
        public void windowActivated(WindowEvent e){}
        public void windowClosed(WindowEvent e){}
        public void windowClosing(WindowEvent e)
        {
                System.exit(0);
        }
        public void windowDeactivated(WindowEvent e){}
        public void windowDeiconified(WindowEvent e){}
        public void windowIconified(WindowEvent e){}
        public void windowOpened(WindowEvent e){}
}

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Output:

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Also read:

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• Program to calculate factorial of a number without using Recursion.
• Program to reverse a String using StringBuffer class.

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