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import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class DrawRectPanel extends JPanel {
public void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(Color.blue);
g.drawRect(10, 10, 80, 30);
g.drawRoundRect(100, 10, 80, 30, 15, 15);
int thickness = 4;
for (int i = 0; i <= thickness; i++)
g.draw3DRect(200 - i, 10 - i, 80 + 2 * i, 30 + 2 * i, true);
for (int i = 0; i < thickness; i++)
g.draw3DRect(200 - i, 50 - i, 80 + 2 * i, 30 + 2 * i, false);
g.drawOval(10, 100, 80, 30);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setTitle("DrawRect");
frame.setSize(300, 200);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
Container contentPane = frame.getContentPane();
contentPane.add(new DrawRectPanel());
frame.show();
}
}
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