在系统环境的路径变量中设置JAVA后，是否需要重新启动系统？ [英] Do I need to restart my system after setting JAVA in system environment's path variable?

问题描述

我做了以下步骤，但java似乎对我不起作用，如果是，那么我需要重新启动系统吗？

I did the following steps but java does not seem to be working for me, do I need to restart my system if yes then why?

1. Right click My Computer->Advence Option->Environment Varibles->System Variables 
    2. variable : Path->Edit
    3. Copy your jdk bin directory i.e.C:\Program Files\Java\jdk1.7.0_51\bin
    4. Paste it after putting a semi-colon(;) in value section 

我在cmd中运行java时遇到错误

i am getting below error while running java in cmd

C:\Users\User>java -version
Error: opening registry key 'Software\JavaSoft\Java Runtime Environment'
Error: could not find java.dll
Error: Could not find Java SE Runtime Environment.

推荐答案

不，但您需要关闭并重新创建任何 cmd windows，运行java程序等。

No, but you will need to close and recreate any cmd windows, running java programs, or the like.

要检查它是否正确，请打开一个新的 cmd 窗口并输入 set - >查看 PATH 和<的信息code> JAVA_HOME 。

To check it's correct, open a new cmd window and type set -> review the information for PATH and JAVA_HOME.

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