JDK的安装与环境变量的配置

﹏ヽ暗。殇╰゛Y 2024-03-22 13:24 16阅读 0赞

### **1.JDK的安装** ###

建议同学们在D盘下新建一个叫做 Develop 的文件夹, 今后跟开发相关的软件, 都在这个文件夹下

便于后期的查找和管理

![e29631aac8cd498b8d46c2bbf3f9117d.png][]

双击安装包，进入安装向导界面

![1ec881aadaa14775808a53102d0c51c1.png][]

![a789d0ad2b0648aca6169d55f2a5e43e.png][]

![30cb8fc5a9554629acc39b141b95ffb8.png][]

安装成功后，桌面上不会出现任何快捷方式，我们可以到安装目录下去确认，看到如下列表，代表安装成功。

![08279f1085f548bfb0f6db18fdbbbaeb.png][]

### **2.path环境变量的配置** ###

#### **2.1取消默认配置** ####

jdk从15这个版本开始，安装完成之后，会自动配置到path环境变量中，但是它默认的配置方式，后期配合其他开发软件的时候，就有一些问题，所以我们需要先将其默认的配置方式取消掉

![a5077bbd74d1464eb719f1b3e820777e.png][]

![c1017bcc769648fa8f62655ba3ee8a2f.png][]

![237523de73fb422ebe60c6eb1d322e09.png][]

![4c3da4d652f94888bf55fd355c2fc301.png][]

![89194daab0634ba59704dbd455081446.png][]

#### **2.2JAVA\_HOME配置方式** ####

![35769bcaddbd4e62b7237c4a26c73ff3.png][]

![f61122ee140a4e0abba2a11e6ac3d5d6.png][]

![a1be07374020406c8958acbe6e86e809.png][]

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![bb1f6e7d8595409a809f12d92d95ae0b.png][]

![cd002f2e1b504164946fb1dfc2ca005e.png][]

![59032af148784f3f87b26277d338593c.png][]

<table> 
 <tbody> 
  <tr> 
   <td style="vertical-align:top;"> <p style="margin-left:.0001pt;text-align:justify;">问题:&nbsp;这里的名字一定要叫做JAVA_HOME吗？叫其他的名字是否可以？</p> <p style="margin-left:.0001pt;text-align:justify;"></p> <p style="margin-left:.0001pt;text-align:justify;">回答：可以叫做其他的名字，但是后期配合其他开发工具的时候，不叫JAVA_HOME的话就关联不上，所以为了避免不必要的麻烦事儿，建议同学们直接指定为 JAVA_HOME</p> <p style="margin-left:.0001pt;text-align:justify;"></p> <p style="margin-left:.0001pt;text-align:justify;">注意哦,&nbsp;是单词中间是下划线，不是横杠</p> </td> 
  </tr> 
 </tbody> 
</table>

![f7eb4114481f4407aa3360925b9dd500.png][]

![0e83f5ca9f564f768f6ab3bcdb7bb184.png][]

![1dc2f02267da4d76a519c5a13699813b.png][]

![d16393feef164dd88fcb4336caf3522f.png][]

<table> 
 <tbody> 
  <tr> 
   <td style="vertical-align:top;width:414.8pt;"> <p style="margin-left:.0001pt;text-align:justify;">手动输入 %%，中间夹住JAVA_HOME，然后拼上 \bin;&nbsp;&nbsp;</p> <p style="margin-left:.0001pt;text-align:justify;">注意！所有的符号都必须是英文状态的，中文的就会有问题！</p> </td> 
  </tr> 
 </tbody> 
</table>

#### **2.3校验配置是否成功** ####

\- 在任意位置打开DOD命令行，输入java -version

\- 看到下面的界面代表配置成功

![58458e56d2a54b77a96767c3755e5035.png][]

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