Ubuntu20.04安装JDK1.8
1.官网下载2.解压tar -zxvf jdk-8u111-linux-x64.tar.gz3.配置(修改~/.bashrc)export JAVA_HOME=/usr/local/java/jdk1.8.0_281export JRE_HOME=${JAVA_HOME}/jreexport CLASSPATH=.:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/
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1.官网下载
2.解压
tar -zxvf jdk-8u111-linux-x64.tar.gz
3.配置(修改 ~/.bashrc
)
export JAVA_HOME=/usr/local/java/jdk1.8.0_281
export JRE_HOME=${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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