UMM CSci 2101 Labs, Fall 2004: Lab 10

CSci 2101 Data Structures: Lab 10 (optional): Java applets

Picture applets

Here are some examples of simple applets:

A very first applet; shows the basic Java code and has instructions on how to compile and run an applet, use these instructions for all examples below.
A simple picture applet and its source code
A simple text applet and its source code

Some helpful APIs:

Applet and its superclass Component
Graphics2D and its superclass Graphics.
Color

Problem 1: draw an applet with some shapes and your name on it.

Swing applets and events

Java class Swing allows you to create applets which have interactive elements similar to HTML forms: text areas, buttons, selection menus, etc. Interaction with the user is handled by Event Handlers: objects associated with specific components (such as a button) whose methods are called when an event happens.

Here is a couple of very simple examples and relevant pointers.

The simplest swing applet (actually, this one is not interactive, but it illustrates the use of swing library)
A more complex one (has two buttons that increment a counter).

This is a lab from CSci 2101 course.