The Java Development Kit (JDK) is an Oracle Corporation product aimed at Java developers. Since the introduction of Java, it has been by far the most widely used Java Software Development Kit (SDK). On 17 November 2006, Sun announced that it would be released under the GNU General Public License (GPL), thus making it free software. This happened in large part on 8 May 2007; Sun contributed the source code to the OpenJDK
Java Development Kit contains the software and tools that you need to
compile, debug, and run applets and applications that you've written
using the Java programming language. JDK has as its primary components a
collection of programming tools, including javac, jar, and the
archiver, which packages related class libraries into a single JAR file.
This tool also helps manage JAR files, javadoc - the documentation
generator, which automatically generates documentation from source code
comments, jdb - the debugger, jps - the process status tool, which
displays process information for current Java processes, javap - the
class file disassembler, and so many other components. The JDK also
comes with a complete Java Runtime Environment, usually called a private
runtime. It consists of a Java Virtual Machine and all of the class
libraries present in the production environment, as well as additional
libraries only useful to developers, and such as the
internationalization libraries and the IDL libraries.
Java Development Kit 32 bit:
Java Development Kit 64 bit:
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