1.官网下载

2.解压

tar -zxvf jdk-8u111-linux-x64.tar.gz

3.配置(修改 ~/.bashrc)

export JAVA_HOME=/usr/local/java/jdk1.8.0_281
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=${JAVA_HOME}/bin:$PATH

4.更新配置

source ~/.bashrc

5.验证

java -version


 

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