Question

Write a Java program that constructs a window having the title "The Hello Application - Ver. 1.0" . Make sure that your program contains a window closing event object that correctly closes the window when the Close (X) button is clicked

Answer 1

package myfirstguiapplication;
import java.awt.*;
import java.awt.event.*;

public class MyFirstGUIApplication extends WindowAdapter//extending window adapter
{
    Frame frame;        //creating a new frame variable
    MyFirstGUIApplication()
    {
        frame=new Frame("The Hello Application - Ver. 1.0");//defining a new frame with name "The Hello Application - Ver. 1.0"
        frame.addWindowListener(this);      //
        frame.setSize(500,200);             //setting size of window to be 500*200
        frame.setLayout(null);              //setting any layouts to null
        frame.setVisible(true);             //making frame visible
    }
    @Override
    public void windowClosing(WindowEvent e) //creating a new window event class object
    {
        frame.dispose(); //disposes the frame
    }
    public static void main(String[] args)
    {
        new MyFirstGUIApplication();//calling the constructer
    }
}

OUTPUT:

The Hello Application - Ver. 1.0 - 0 x

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