Java tutorial
import java.awt.BorderLayout; import java.awt.Font; import javax.swing.JButton; import javax.swing.JFrame; public class DrivedFont { public static void main(String args[]) { JFrame f = new JFrame("JColorChooser Sample"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final JButton button = new JButton("Pick to Change Background"); Font myFont = new Font("Serif", Font.ITALIC | Font.BOLD, 12); Font newFont = myFont.deriveFont(50F); button.setFont(newFont); f.add(button, BorderLayout.CENTER); f.setSize(300, 200); f.setVisible(true); } }