Java Swing Tutorials - Herong's Tutorial Examples - v4.32, by Herong Yang
Creating Labels with javax.swing.JLabel Class
This section provides a tutorial example on how to create a label with the javax.swing.JLabel class.
Problem: I want to create a label with a text string.
Solution: This is easy, just instantiate an object of javax.swing.JLabel, and add it to any container. Here is a sample program to show you how to do this:
/* JLabelHello.java * Copyright (c) 1997-2024 HerongYang.com. All Rights Reserved. */ import java.awt.*; import javax.swing.*; public class JLabelHello { public static void main(String[] a) { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JLabel l = new JLabel("Hello world!"); f.getContentPane().add(l); f.pack(); f.setVisible(true); } }
If you run this example, you will get:
Note: The pack() method causes the window to resize to fit the preferred size and layouts of its subcomponents.
Table of Contents
Introduction of Java Swing Package
Graphics Environment of the Local System
►Creating Labels with javax.swing.JLabel Class
Creating Labels with Chinese Characters
JCheckBox - Swing Check Box Class
JRadioButton - Swing Radio Button Class
JTextField - Swing Text Field Class
JComboBox - Swing Combo Box Class
Menu Bar, Menus, Menu Items and Listeners
Creating Internal Frames inside the Main Frame
Layout of Components in a Container
JEditorPane - The Editor Pane Class
SwingWorker - The Background Task Worker
AWT (Abstract Windows Toolkit)