trying to make a better version

DemoProjects/src/game/minitennis1/Game2.java

@@ -0,0 +1,30 @@
+package minitennis1;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.geom.Ellipse2D;
+
+public class Game2 extends JPanel {
+
+    @Override
+    public void paint(Graphics g) {
+        Graphics2D g2d = (Graphics2D) g;
+        g2d.setColor(Color.RED);
+        g2d.fillOval(0, 0, 30, 30);
+        g2d.drawOval(0, 50, 30, 30);
+        g2d.fillRect(50, 0, 30, 30);
+        g2d.drawRect(50, 50, 30, 30);
+
+        g2d.draw(new Ellipse2D.Double(0, 100, 30, 30));
+    }
+
+    public static void main(String[] args) {
+        JFrame frame = new JFrame("Mini Tennis");
+        frame.add(new Game2());
+        frame.setSize(300, 300);
+        frame.setVisible(true);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+    }
+}

DemoProjects/src/game/minitennis2/Game.java

@@ -0,0 +1,4 @@
+package game.minitennis2;
+
+public class Game {
+}