旧版本 Java 6 Update 21
Java 6 Update 21
Windows ME, 2000, XP, Vista, 7, 8
07 July, 2010 (11 years ago )

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下载 Java 6 Update 21
Java 6 Update 21

Java 6 Update 21 (15.55 MB)

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系统要求 Java 6 Update 21
  • Windows 2000
  • Windows XP
  • Windows Vista
  • Windows 7
  • Windows Server 2003
程序信息 Java 6 Update 21
Java 6 Update 21

15.55 MB

07 July, 2010 (11 years ago)

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版本历史 Java 6 Update 21
Additional Supported System Configurations For Java SE 6u21, support has been added for the following system configurations:
  • Oracle Enterprise Linux 5.5
  • Oracle Enterprise Linux 5.4
  • Oracle Enterprise…


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关于 Java

Java can run applications developed using the java programming language and set of development tools. The JVM is a crucial component of the Java platform. The availability of JVMs on many types of hardware and software platforms enables Java to function both as middleware and a platform in its own right. Hence the expression "Write once, run anywhere."

Starting with J2SE 5.0, changes to the JVM specification have been developed under the Java Community Process as JSR 924. As of 2006, changes to specification to support changes proposed to the class file format (JSR 202) are being done as a maintenance release of JSR 924. The specification for the JVM is published in book form, known as "blue book".

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Did You Know?

Sun Java JRE is not a development environment and does not contain development tools such as compilers or debuggers. For development tools, see the Java SDK, .