下载:
oracle中国官网(需要注册账号):
https://www.oracle.com/cn/downloads/index.html
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安装:
默认安装即可.
配置:
我的电脑-右键-属性-高级系统设置-高级-环境变量-用户变量-新建
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JAVA_HOME
C:\Program Files\Java\jdk1.7.0_51
Path
;%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;
CLASSPATH
.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar
打开cmd或者powershell,输入下面命令,成功.
java -version
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