Determine if antialiasing is enabled in Java

import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
/* w  ww .j  a va 2  s.c om*/
import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas 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);
    g2d.setFont(new Font("Helvetica", Font.PLAIN, 60));
    // Enable antialiasing for shapes
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 
                RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.drawString("java2s.com", 30, 200);
     
  }
}

public class Main {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setBounds(30, 30, 450, 450);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}