CenteredFrame.java Source code

Introduction

Here is the source code for CenteredFrame.java

Source

import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class CenteredFrame extends JFrame {
    public CenteredFrame() {
        setTitle("CenteredFrame");
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        Toolkit tk = Toolkit.getDefaultToolkit();
        Dimension screenSize = tk.getScreenSize();
        int screenHeight = screenSize.height;
        int screenWidth = screenSize.width;
        setSize(screenWidth / 2, screenHeight / 2);
        setLocation(screenWidth / 4, screenHeight / 4);
    }

    public static void main(String[] args) {
        JFrame frame = new CenteredFrame();
        frame.show();
    }
}