Draw rectangles : Graphics « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Graphics

import java.awt.Graphics;

import javax.swing.JFrame;

public class MainClass extends JFrame {

  public static void main(String[] a){
    MainClass f = new MainClass();
    f.setSize(300,300);
    f.setVisible(true);
  }
  
  
  public void paint(Graphics g) {
    g.drawRect(10, 10, 60, 50);
    g.fillRect(100, 10, 60, 50);
    g.drawRoundRect(190, 10, 60, 50, 15, 15);
    g.fillRoundRect(70, 90, 140, 100, 30, 40);
  }
}

16.2.Graphics
	16.2.1.	Draw rectangles
	16.2.2.	Fill a solid three-dimensional rectangle
	16.2.3.	Draw Ellipses
	16.2.4.	Draw 2D shape
	16.2.5.	Draw Arcs
	16.2.6.	Draw Polygon
	16.2.7.	Resizing output to fit the current size of a window.
	16.2.8.	Demonstrate XOR mode.