Mapping of swing Classes to Packages
javax.swing : Components, Managers, Models.
javax.swing.border : 8 Types of Borders.
javax.swing.colorchooser : Customisation classes.
javax.swing.event : Listeners, Events, Adapters.
javax.swing.filechooser : Customisation classes.
javax.swing.plaf : UI Abstractions for Plug&Play GUI.
javax.swing.table : Customisation classes.
javax.swing.text : Text Editor Classes.
javax.swing.text.html : HTML Editor classes.
javax.swing.text.rtf : RTF Editor kit.
javax.swing.tree : Customisation classes.
javax.swing.undo : Classes for undo functionality.