ubuntu下面配置jdk的环境
- download jdk
- extract tar.gz
sudo cp -r /home/oliver/develop/jdk1.8.0_20 /usr/lib/jvm/jdk1.8.0_20
- set ~./profile
export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_20
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
source ~/.profile
java -version
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