Java Swing Tutorial - Java Rectangle.isEmpty()


Rectangle.isEmpty() has the following syntax.

public boolean isEmpty()


In the following code shows how to use Rectangle.isEmpty() method.

/*from   w w  w . j a  v  a 2s . c  o  m*/
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    Rectangle r = new Rectangle ();
    r.setLocation(new Point(20,20));
    r.setSize(new Dimension(10,10));
    g2.fill (r);
    System.out.println (r.isEmpty());


  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.getContentPane().add(new Main());

    frame.setSize(200, 200);