Ubuntu安装jdk

1/tar -zxvf jdk-8u25-linux-x64.tar.gz -C ~/mySof/

2/mv jdk1.8.0_25 java

3/nano ~/.bash

4/

export JAVA_HOME=/home/lulu/mySof/java
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

5/source ~/.bash