This is the home page of Sun Microsystem's HotJava, a World-Wide Web browser that can execute applets, which are interactive programs written in the Java language that can run from within a Web page. A tutorial on writing applets in Java is offered, as well as documentation on Java and HotJava, downloading instructions for the software, examples of what can be done with the Java language and the World Wide Web, known bugs, frequently requested features and frequently asked questions.