For the sake of a few trees, in this book the language will usually be referred to simply
as Java and the kit as the JDK. You might see the kit referred to elsewhere as Java
Development Kit 6.
If you will be using the JDK to create the tutorial programs in this book, you can find
out how to get started with the software in Appendix A, “Using the Java Development
Kit.” The appendix covers how to download and install the kit and use it to create a sample
Java program.
After you have a Java development tool on your computer that supports Java 6, you’re
ready to dive into the language.