How to Center a JFrame Window in Java

on November 21, 2016

Post Views: 2,295

Center a JFrame Window in Java

In this tutorial, I am writing simple program about, How to Center a JFrame Window in Java. The example Java Swing Program has been tested, and screen shot of Output is shared in the same post.

CenterWindow.java

package com.dineshkrish.swing;
import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JFrame;
/**
* 
* @author Dinesh Krishnan
*
*/
public class CenterWindow extends JFrame {
public CenterWindow(String title, boolean visibility) {
super.setTitle(title);
super.setSize(600, 400);
super.setVisible(true);
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
int x = (int) ((screen.getWidth() - this.getWidth()) / 2);
int y = (int) ((screen.getHeight() - this.getHeight()) / 2);
this.setLocation(x, y);
}
public static void main(String[] args) {
// Defining Object
CenterWindow window = new CenterWindow("My Application", true);
}
}