FWD » Core Development » User Interface

import javax.swing.*;

import java.awt.event.*;

import java.awt.*;

public class GraphicsOpsExamples

{

   public static void main(String[] args)

   {

      SwingUtilities.invokeLater(new Runnable()

      {

         public void run()

         {

            JFrame frame = new JFrame("Graphics Operations");

            frame.setSize(550, 550);

            frame.setLocation(150, 150);

            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

            frame.setContentPane(new JComponent()

            {

               public void paint(Graphics g)

               {

                  Graphics2D g2 = (Graphics2D) g;

                  g2.drawLine(10, 10, 540, 30);

                  g2.drawRect(40, 40, 55, 30);

                  g2.fillRect(150, 40, 55, 30);

                  g2.drawRoundRect(40, 90, 55, 30, 5, 5);

                  g2.fillRoundRect(40, 130, 55, 30, 5, 5);

                  g2.drawRoundRect(110, 90, 55, 30, 8, 8);

                  g2.fillRoundRect(110, 130, 55, 30, 8, 8);

                  g2.drawRoundRect(180, 90, 55, 30, 10, 10);

                  g2.fillRoundRect(180, 130, 55, 30, 10, 10);

                  g2.drawRoundRect(250, 90, 55, 30, 15, 15);

                  g2.fillRoundRect(250, 130, 55, 30, 15, 15);

                  g2.drawRoundRect(320, 90, 55, 30, 20, 20);

                  g2.fillRoundRect(320, 130, 55, 30, 20, 20);

                  g2.drawRoundRect(390, 90, 55, 30, 25, 25);

                  g2.fillRoundRect(390, 130, 55, 30, 25, 25);

                  g2.drawRoundRect(460, 90, 55, 30, 30, 30);

                  g2.fillRoundRect(460, 130, 55, 30, 30, 30);

               }

            });

            frame.setVisible(true);

         }

      });

   }

}