安装jdk
yum list *openjdk*
yum -y install java-1.7.0-openjdk-devel.x86_64 install
默认安装目录
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.91.x86_64
配置环境变量
export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.91.x86_64
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
source /etc/profile
CentOS环境下openJDK安装
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