Change JButton Font, Font Style, and Font Size

Output:

Code:

/**

 * File: jbuttonFont.java

 * Tiltle: Change JButton Font, Font Style, and Font Size

 * Author: http://java-code-complete.blogspot.com

 */



//Java Core Package

import javax.swing.*;

//Java Extension Package

import java.awt.*;



public class jbuttonFont extends JFrame {

	

	//Initializing JButton Array, JPanel, Font Class, and Specified JButton String Label

	private JButton button[];

	private JPanel panel;

	String fontName[] = {"Plain","Italic","Bold","Italic-Bold","Arial","Tahoma","Verdana","Courier","SIZE 12","SIZE 14","SIZE 16","SIZE 18"};

	private Font bPlain, bItalic, bBold, bItalicBold, bArial, bTahoma, bVerdana, bCourier, bSize12, bSize14, bSize16, bSize18;



	//Setting up GUI

    public jbuttonFont() {

    	

    	//Setting up the Title of the Window

    	super("Change JButton Fonts");



    	//Set Size of the Window (WIDTH, HEIGHT)

    	setSize(275,400);



    	//Exit Property of the Window

    	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    	

    	//Constructing JButton with an array of 12

    	button = new JButton[12];

    	

    	//Constructing JPanel with a GirdLayout of 12 rows and 1 column (Vertical Position)

    	panel = new JPanel();

    	panel.setLayout(new GridLayout(button.length,1));

    	

    	//Setting the Font

    	bBold = new Font("Arial", Font.BOLD, 14);

    	bPlain = new Font("Arial", Font.PLAIN, 14);

    	bItalic = new Font("Arial", Font.ITALIC, 14);

    	bItalicBold = new Font("Arial", Font.BOLD+Font.ITALIC, 14);

    	

    	//Setting the Font Style

    	bArial = new Font("Arial", Font.PLAIN, 14);

    	bTahoma = new Font("Tahoma", Font.PLAIN, 14);

    	bVerdana = new Font("Verdana", Font.PLAIN, 14);

    	bCourier = new Font("Courier", Font.PLAIN, 14);

    	

    	//Setting the Font Size

    	bSize12 = new Font("Arial", Font.PLAIN, 12);

    	bSize14 = new Font("Arial", Font.PLAIN, 14);

    	bSize16 = new Font("Arial", Font.PLAIN, 16);

    	bSize18 = new Font("Arial", Font.PLAIN, 18);



    	//Constructing all 12 JButtons using "for loop"

    	for(int count=0; count<button.length; count++) {

    		button[count] = new JButton(fontName[count]);

    		panel.add(button[count]);

    	}

    	

    	//Applying Fonts to each JButtons

    	button[0].setFont(bPlain);

    	button[1].setFont(bItalic);

    	button[2].setFont(bBold);

    	button[3].setFont(bItalicBold);

    	button[4].setFont(bArial);

    	button[5].setFont(bTahoma);

    	button[6].setFont(bVerdana);

    	button[7].setFont(bCourier);

    	button[8].setFont(bSize12);

    	button[9].setFont(bSize14);

    	button[10].setFont(bSize16);

    	button[11].setFont(bSize18);



    	//Setting up the container ready for the components to be added.

    	Container pane = getContentPane();

    	setContentPane(pane);



    	//Adding the JPanel to the container

    	pane.add(panel);



    	/**Set all the Components Visible.

    	 * If it is set to "false", the components in the container will not be visible.

    	 */

    	setVisible(true);

    }

    

	//Main Method

    public static void main (String[] args) {

    	jbuttonFont jbf = new jbuttonFont();

	}

}

Important Part of the Program:

//Setting the Font

    	bBold = new Font("Arial", Font.BOLD, 14);

    	bPlain = new Font("Arial", Font.PLAIN, 14);

    	bItalic = new Font("Arial", Font.ITALIC, 14);

    	bItalicBold = new Font("Arial", Font.BOLD+Font.ITALIC, 14);

    	

    	//Setting the Font Style

    	bArial = new Font("Arial", Font.PLAIN, 14);

    	bTahoma = new Font("Tahoma", Font.PLAIN, 14);

    	bVerdana = new Font("Verdana", Font.PLAIN, 14);

    	bCourier = new Font("Courier", Font.PLAIN, 14);

    	

    	//Setting the Font Size

    	bSize12 = new Font("Arial", Font.PLAIN, 12);

    	bSize14 = new Font("Arial", Font.PLAIN, 14);

    	bSize16 = new Font("Arial", Font.PLAIN, 16);

    	bSize18 = new Font("Arial", Font.PLAIN, 18);



    	//Constructing all 12 JButtons using "for loop"

    	for(int count=0; count<button.length; count++) {

    		button[count] = new JButton(fontName[count]);

    		panel.add(button[count]);

    	}

    	

    	//Applying Fonts to each JButtons

    	button[0].setFont(bPlain);

    	button[1].setFont(bItalic);

    	button[2].setFont(bBold);

    	button[3].setFont(bItalicBold);

    	button[4].setFont(bArial);

    	button[5].setFont(bTahoma);

    	button[6].setFont(bVerdana);

    	button[7].setFont(bCourier);

    	button[8].setFont(bSize12);

    	button[9].setFont(bSize14);

    	button[10].setFont(bSize16);

    	button[11].setFont(bSize18);