Ubuntu安装JavaJDK

编程

root@Ubuntu:/opt/jdk/jdk1.8.0_181# vi /etc/profile

配置相关参数

#JAVA

export JAVA_HOME=/opt/jdk/jdk1.8.0_181

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export PATH=$PATH:$JAVA_HOME/bin

5、使配置文件生效

 root@Ubuntu:/opt/jdk/jdk1.8.0_181# source /etc/profile

6、查看Java版本

root@Ubuntu:/opt/jdk/jdk1.8.0_181# java -version

java version "1.8.0_181"

Java(TM) SE Runtime Environment (build 1.8.0_181-b13)

Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)

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