This tutorial book is a collection of notes and sample codes written by the author while he was learning Java Swing and AWT himself. Topics include Swing and AWT (Abstract Windows Toolkit) class library; graphical components: JButton, JCheckbox, JComboBox, JFrame, JLabel, JMenu, JRadioButton, JTextField; frame layouts; menus; dialog boxes; editor pane; Unicode and Chinese. Updated in 2024 (Version v4.32) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/Swing.