package corejava; import java.awt.*; import javax.swing.*; public class Java2DRectangle extends JPanel { public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; g2d.setColor(new Color(212, 212, 212)); g2d.drawRect(10, 15, 90, 60); g2d.drawRect(130, 15, 90, 60); g2d.drawRect(250, 15, 90, 60); g2d.drawRect(10, 105, 90, 60); g2d.drawRect(130, 105, 90, 60); g2d.drawRect(250, 105, 90, 60); g2d.drawRect(10, 195, 90, 60); g2d.drawRect(130, 195, 90, 60); g2d.drawRect(250, 195, 90, 60); g2d.setColor(new Color(125, 167, 116)); g2d.fillRect(10, 15, 90, 60); g2d.setColor(new Color(42, 179, 231)); g2d.fillRect(130, 15, 90, 60); g2d.setColor(new Color(70, 67, 123)); g2d.fillRect(250, 15, 90, 60); g2d.setColor(new Color(130, 100, 84)); g2d.fillRect(10, 105, 90, 60); g2d.setColor(new Color(252, 211, 61)); g2d.fillRect(130, 105, 90, 60); g2d.setColor(new Color(241, 98, 69)); g2d.fillRect(250, 105, 90, 60); g2d.setColor(new Color(217, 146, 54)); g2d.fillRect(10, 195, 90, 60); g2d.setColor(new Color(63, 121, 186)); g2d.fillRect(130, 195, 90, 60); g2d.setColor(new Color(31, 21, 1)); g2d.fillRect(250, 195, 90, 60); } public static void main(String[] args) { Java2DRectangle rects = new Java2DRectangle(); JFrame frame = new JFrame("Rectangles"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(rects); frame.setSize(360, 300); frame.setLocationRelativeTo(null); frame.setVisible(true); } }