game0228j - プログラム倉庫

import javax.swing.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.*;
import java.awt.RenderingHints;

public class game0228 extends JPanel{

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

   game0228 app = new game0228();
   frame.getContentPane().add(app);

   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setBounds(10, 10, 300, 200);
   frame.setTitle("[[タイトル]]");
   frame.setVisible(true);
 }

 public void paintComponent(Graphics g){
   Graphics2D g2 = (Graphics2D)g;

   g2.draw(new Line2D.Double(20, 20, 110, 140));
   g2.draw(new Arc2D.Double(70, 60, [[100]], 100, 90, 135, Arc2D.CHORD));

   g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 
                       RenderingHints.VALUE_ANTIALIAS_ON);

   g2.draw(new Line2D.Double(150, 20, 240, 140));
   g2.draw(new Arc2D.Double(200, 60, 100, 100, 90, 135, Arc2D.CHORD));
 }

}