import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
public class MainClass extends Frame {
public static void main(String[] args) {
(new MainClass()).setVisible(true);
}
public MainClass() {
setSize(150, 150);
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
Rectangle2D r2d = new Rectangle2D.Float(10f, 10f, 130f, 130f);
g2d.draw(r2d);
}
}
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