To change the size and/or style of a font, you call its deriveFont() method : Font « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Font

1. deriveFont(int Style): Creates a new Font object with the style specified - one of PLAIN, BOLD, ITALIC, or BOLD+ITALIC
2. deriveFont(float size): Creates a new Font object with the size specified
3. deriveFont(int Style, float size): Creates a new Font object with the style and size specified

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);
  }
}

16.23.Font
	16.23.1.	java.awt.Font
	16.23.2.	Creating Serif Font
	16.23.3.	Create Bold and Italic font
	16.23.4.	Show fonts with mouse click
	16.23.5.	To change the size and/or style of a font, you call its deriveFont() method
	16.23.6.	Display font info.
	16.23.7.	To get all available fonts in your system
	16.23.8.	To get the font names
	16.23.9.	Show all Fonts installed in your system
	16.23.10.	Fonts exercise: a font chooser
	16.23.11.	Display font in a grid
	16.23.12.	Create font from true type font
	16.23.13.	System fonts display