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@lanrion
Created March 30, 2014 03:03
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安装java ubuntu

1,下载 http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

2.下载好以后解压,并移动文件的位置

sudo tarzxvf ./jdk-7-linux-i586.tar.gz -C /usr/lib/jvm
cd/usr/lib/jvm

将jvm 下的文件夹名称改为 java-7-sun

`mv jdk-7-linux-i586.tar.gz java-7-sun

3.接下来是修改环境变量

vim ~/.bashrc

如果不会使用vim的话,也可以使用将vim换为gedit 添加:

exportJAVA_HOME=/usr/lib/jvm/java-7-sun
exportJRE_HOME=${JAVA_HOME}/jre
exportCLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

保存退出 使用

source ~/.bashrc

使修改生效

java -version
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