Java -version shows 1.3 when I updated the classpath to c:\java\jdk1.6.0_20\bin
Question
我需要在命令行上运行java -jar，所以安装了jdk6但是每当我在命令行中执行java -version时它仍然显示旧版本（1.3）如何更新它以显示最新版本？
3 answers
solution1
2 2011-09-13 21:27:50
Add the new Java bin folder to your path. And remove any other java references from your path.
solution2
2 2011-09-13 21:28:46
You should set the PATH environment variable. On the command prompt, do:
> set JAVA_HOME=c:\java\jdk1.6.0_20
> set PATH=%JAVA_HOME%\bin;%PATH%
Now doing java -version should give you the expected version information.
solution3
0 2011-09-13 21:29:32
The JDK install does not update the default Java installation on the system.
Go to http://java.com/en/download/installed.jsp and use the suggested installation procedure there when it finds that your default Java is outdated.
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