Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Dimension;
import java.awt.GraphicsEnvironment;
import java.awt.Point;

import javax.swing.JFrame;

public class Main extends JFrame {
    public Main() {
        setSize(250, 200);
        centerFrame();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    private void centerFrame() {
        Dimension windowSize = getSize();
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        Point centerPoint = ge.getCenterPoint();

        int dx = centerPoint.x - windowSize.width / 2;
        int dy = centerPoint.y - windowSize.height / 2;
        setLocation(dx, dy);
    }

    public static void main(String[] args) {
        Main ex = new Main();
        ex.setVisible(true);
    }
}