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Trail: Creating a GUI with JFC/Swing

## Lesson: Writing Event Listeners

> This lesson gives you details about writing event listeners. It assumes you've already read and understood Event Handling, which gives an overview of the event model.

> You might not need to read this section, at all. Your first source of information for event information should be the how-to section for the component in question. You can find the appropriate section using the A Visual Index to the Swing Components. Each component's section shows code for handling the events most commonly needed when implementing the component. For example, How to Use Check Boxes shows you how to handle mouse clicks on check boxes using an item listener.

### Some Simple Event-Handling Examples

> The applets in this section illustrate events and event handling.

### General Information about Writing Event Listeners

> This section provides information that's useful for handling all types of events. One of the topics is how to reduce unnecessary code by using adapters and inner classes to implement event handlers.

### Listeners Supported by Swing Components

> This is the place to find out which Swing components can fire which kinds of events. You might want to bookmark this section so you can easily find its quick-reference table.

### Implementing Listeners for Commonly Handled Events

> This section has detailed information and examples of writing each common kind of event listener.

### Summary of Listener API

> This section features a quick-reference table that shows each listener, its adapter class (if any), and its methods.

### Solving Common Event-Handling Problems

> If you're having some hard-to-debug problems related to handling events, you might find the solution here.

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