# tar -zxvf jdk-8u333-linux-x64.tar.gz # java -version -bash: java: command not found # vim /etc/profile //编辑profile，内容在下面，添加java环境内容 # source /etc/profile # java -version --控制台内容开始-- java version "1.8.0_333" Java(TM) SE Runtime Environment (build 1.8.0_333-b02) Java HotSpot(TM) 64-Bit Server VM (build 25.333-b02, mixed mode) --控制台内容结束--
/etc/profile 内容
export JAVA_HOME=/usr/local/java/jdk1.8.0_333
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin
