linux安装JDK
tar -xvf jdk-7u45-linux-x64.gz
/usr/local目录下
)
sudo cp -rf jdk1.7.0_45/ /usr/local/jdk1.7.0_45/
sudo gedit /etc/profile
JAVA_HOME=/usr/local/jdk1.7.0_45 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH
source /etc/profile
java -version
java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)
说明java环境已经安装成功!!!
echo $JAVA_HOME #检查JAVA_HOME echo $PATH #检查PATH
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