java环境变量设置

2025-03-15 23:02:21
推荐回答(4个)
回答1:

  1. 首先下载好jdk,直接双击就可以安装,安装比较简单,基本都是点击“下一步”。

  2. 安装好jdk后,就要设置环境变量了,关闭或者打开的所有窗口,然后在我的电脑图标上面点击右键,然后在打开的菜单中选择“属性”。

  3. 点击“属性”后,打开“系统”页面,在左边的功能菜单列表中选择“高级系统设置”。


  4.  点击“高级系统设置”后,就打开“系统属性”设置对话框,之后点击右下方的“环境变量”按钮。

  5. 在打开的“环境变量”对话框中,点击最上面的“新建”,如下图红色方框标注,之后在变量名中输入:JAVA_HOME,变量值后面的输入框中输入jdk安装的路径,如小妹就是默认安装路径:C:\Program Files\Java\jdk1.6.0_45,最后点击“确定”按钮,完成新变量的添加。

  6. 点击“环境变量”下面的“新建”按钮,然后在弹出的对话框中输入变量名:CLASSPATH,和变量值:C:\Program Files\Java\jdk1.6.0_45\lib。


  7. 在“系统变量”下面找到Path,并双击打开或者点击“编辑”按钮,然后在最后输入java的bin路径:C:\Program Files\Java\jdk1.6.0_45\bin,最后点击各个确定按钮,这样就完成了jdk的安装和java环境变量的设置。

回答2:

回答3:

会不会是在path里只配置了jre的路径没有jdk的路径啊,java这个命令可以么?
实在不行的话就下一个安装版的jdk也行

回答4:

java_home E:\Program Files\Java\jDK1.7.0
path E:\Program Files\Java\jDK1.7.0\bin
classpath .;E:\Program Files\Java\jDK1.7.0\lib\tools.jar
建议你把变量设置在用户的那个窗口里 classpath前面带上.;
以上回答你满意么?

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