包括

JDK 6u1
The Java SE Development Kit (JDK) includes the Java Runtime Environment (JRE) and command-line development tools that are useful for developing applets and applications.

JDK 6 with Java EE
Java EE provides web services, component-model, management, and communications APIs that make it the industry standard for implementing enterprise-class service-oriented architecture (SOA) and Web 2.0 applications.

JDK 6u1 with NetBeans 5.5
This distribution of the Java SE Development Kit (JDK) includes NetBeans IDE, which is a powerful integrated development environment for developing applications on the Java platform.

Java Runtime Environment (JRE) 6u1
The Java SE Runtime Environment (JRE) allows end-users to run Java applications.

JDK US DST Timezone Update Tool - 1.1.0
The tzupdater tool is provided to allow the updating of installed JDK/JRE images with more recent timezone data in order to accommodate the U.S. 2007 daylight saving time changes (US2007DST) originating with the U.S. Energy Policy Act of 2005.

Java SE 6 Documentation

Java SE 6 JDK Source Code
JDK 6 source code is available for those interested in exploring the details of the JDK. This includes schools, universities, companies, and individuals who want to examine the source code for personal interest or research & development. The licensing does not impose restrictions upon those who wish to work on independent open-source projects.

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