Source Code in This Chapter

Note: right-click or shift-click on the links to download the associated file. All code is freely available for unrestricted use.

Order now

All examples, except for FileTransfer use WindowUtilities.java and ExitListener.java.

• JList Examples
  • JListSimpleExample.java Illustrates creating a simple list. In this example, all the entries for the list are stored in a String array and later supplied in the JList constructor. In addition, a private class, ValueReporter, implements a ListSelectionListener to display the last entry in the list selected by the user.
  • DefaultListModelExample.java Creates a list using a DefaultListModel. By default, a JList doesn't permit you to directly add new entries; however, with the DefaultListModel you can add or delete entries to the model (which are reflected in the list).
  • JListCustomModel.java Example illustrating that you can use your own custom data model (data structure) to hold the entries in a list. Uses the following classes:
    • JavaLocationListModel.java A custom list model (implements ListModel interface which provides support for custom data structures) to store data for the list.
    • JavaLocationCollection.java A simple collection of JavaLocation (below) objects.
    • JavaLocation.java An object representing a city named Java. Defines the country where the Java city is located, along with a comment and country flag (gif image).
  • JListCustomRenderer.java A list can contain items other than Strings; however, the list needs to know how to render (display) the different items. In this example, a custom cell renderer is used to display each JavaLocation as a JLabel containing an Icon (for the flag) and text (country and description). Uses the following classes and images:
    • JavaLocationRenderer.java Simple custom renderer that builds the JLabel for each item to display in the list.
    • JavaLocationListModel.java A custom list model (implements ListModel interface) to store data for a list.
    • JavaLocationCollection.java A simple collection of JavaLocation (below) objects.
    • JavaLocation.java An object representing a city named Java. Defines the country where the Java city is located, along with a comment and country flag (gif image).
    • Country flag images: belgium.gif, brazil.gif, colombia.gif, indonesia.gif, jamaica.gif, mozambique.gif, philippines.gif, saotome.gif, spain.gif, suriname.gif, usa.gif (in single zip file).
• JTree Examples
  • SimpleTree.java Basic tree built out of DefaultMutableTreeNodes. A DefualtMutableTreeNode is a starting point for a root node, in which children nodes can be added.
  • SelectableTree.java Illustrates selecting nodes in a tree.
  • DynamicTree.java An example tree that builds child nodes on the fly. Uses the following class:
    • OutlineNode.java A simple tree node that builds its children.
  • CustomIcons.java Demonstrates displaying custom icons for the nodes of a tree. Uses the following images:
    • Circle_1.gif, Circle_2.gif, Circle_3.gif.
• JTable Examples
  • JTableSimpleExample.java Simple table that takes column names and data from arrays of Strings.
  • DefaultTableExample.java A dynamic table (rows can be added or deleted) using a DefaultTableModel.
  • CustomTableExample.java An improved table that uses a CustomTableModel to correctly display cells containing images and boolean values. Uses the following classes and images:
    • CustomTableModel.java Returns the class type of a column (for use by the default cell renderers).
    • JavaLocationCollection.java A simple collection of JavaLocation (below) objects.
    • JavaLocation.java An object representing a city named Java. Defines the country where the Java city is located, along with a comment and country flag (gif image).
    • Country flag images: belgium.gif, brazil.gif, colombia.gif, indonesia.gif, jamaica.gif, mozambique.gif, philippines.gif, saotome.gif, spain.gif, suriname.gif, usa.gif (in single zip file).
  • JTableEvents.java A table that reacts to the user entering data into a cell.
• Printing in Java 2
  • PrintExample.java Demonstrates printing a Graphics2D object. Uses the following classes:
    • PrintUtilities.java Simple utility class to support printing graphical windows in JDK 1.2.
    • DrawingPanel.java A basic JPanel containing a Java 2D drawing.
  • PrintUtilities2.java Simple utility class to support printing graphical windows in JDK 1.3 and later. Inherits from PrintUtilities.java.
• FileTransfer.java Demonstrates the proper technique for updating Swing components in a multithreaded program.
• WindowUtilities.java Utility class that simplifies creating a window and setting the look and feel.
• ExitListener.java A WindowListener with support to close the window.