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Welcome to

The Java Tutorial!


Object-Oriented Programming for the Internet

a practical, on-line guide
to writing programs in the Java language

This is an on-line draft version of The Java Tutorial by Mary Campione and Kathy Walrath. This is the fifth book in the The Java Series, to be published by Addison-Wesley this summer.


Notes:

Getting Started

The most common Java programs are applications and applets. Applications are stand-alone programs, such as the HotJava browser. Applets are similar to applications, but they don't run on their own. Instead, applets adhere to a set of conventions that lets them run within a Java-compatible browser. If you're using a browser that can view applets, then you should see an animation just below this paragraph -- that's an applet embedded in this HTML page.

The "Hello World" Application -- Start here if you want to create stand-alone Java applications.
The "Hello World" Applet -- Start here if you are interested in writing applets only.


What Next?

Now that you've seen how to write a Java program, you can proceed with any of the topics below.

Writing Java Programs -- These lessons discuss techniques and concepts that any Java programmer can use.
Writing Applets -- These lessons discuss techniques and concepts that are specific to writing Java applets.
Creating a User Interface -- Here's the information you need to create the user interface of your applet or application.
Custom Networking and Security -- The lessons on this trail teach you how to connect your applications and applets to the information on the Internet! Also, this trail contains a lesson that shows you how you can create an install your own security manager which can help to protect your computer and data from violation.
The Java Development Environment -- Take a look here for information about the Java development environment, tools, how to structure and manage your programming environment, debugging techniques and memory management techniques.
Integrating Native Methods into Java Programs -- These lessons show you everything you need to know to write native methods in the Java language. A native method is a Java method whose implementation is provided in another programming language such as C. This lesson includes step-by-step instructions and a comprehensive example program.
How the Java Language Differs from C and C++ -- This trail points out the differences between the Java language and C and C++.
Troubleshooting -- Follow this trail to find all of the pages that discuss troubleshooting.


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