import java.awt.Graphics;
import javax.swing.JFrame;
public class MainClass extends JFrame {
public static void main(String[] a){
MainClass f = new MainClass();
f.setSize(300,300);
f.setVisible(true);
}
public void paint(Graphics g) {
g.drawRect(10, 10, 60, 50);
g.fillRect(100, 10, 60, 50);
g.drawRoundRect(190, 10, 60, 50, 15, 15);
g.fillRoundRect(70, 90, 140, 100, 30, 40);
}
}
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