Get the Dimensions of Text in Java

import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
//  ww w.  j  ava  2s .  c o m
import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    FontMetrics fontMetrics = g2d.getFontMetrics();

    int width = fontMetrics.stringWidth("java2s.com");
    int height = fontMetrics.getHeight();
    System.out.println(width);
    System.out.println(height);

  }
}

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);
  }
}