import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import javax.swing.JComponent;
import javax.swing.JFrame;
public class MainClass{
public static void main(String[] args) {
JFrame jf = new JFrame("Demo");
Container cp = jf.getContentPane();
MyCanvas tl = new MyCanvas();
cp.add(tl);
jf.setSize(300, 200);
jf.setVisible(true);
}
}
class MyCanvas extends JComponent {
public void paint(Graphics g) {
Shape shape = new Rectangle2D.Float(100, 50, 80, 80);
Graphics2D g2 = (Graphics2D) g;
AffineTransform at = new AffineTransform();
at.setToRotation(Math.PI / 6);
at.translate(100, 0);
g2.setTransform(at);
g2.draw(shape);
}
}