import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JComponent;
import javax.swing.JFrame;
public class BasicDraw {
public static void main(String[] args) {
new BasicDraw();
}
BasicDraw() {
JFrame frame = new JFrame();
frame.add(new MyComponent());
frame.setSize(300, 300);
frame.setVisible(true);
}
}
class MyComponent extends JComponent {
public void paint(Graphics g) {
// Retrieve the graphics context; this object is used to paint shapes
Graphics2D g2d = (Graphics2D) g;
// Determine if antialiasing is enabled
RenderingHints rhints = g2d.getRenderingHints();
boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
// Enable antialiasing for shapes
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
}
}