linux卸载openJDK

rpm -qa | grep jdk

[tp@bogon ~]$ rpm -qa | grep jdk
java-1.7.0-openjdk-1.7.0.99-2.6.5.1.el6.x86_64
java-1.6.0-openjdk-1.6.0.38-1.13.10.4.el6.x86_64

yum -y remove

 yum -y remove java-1.7.0-openjdk-1.7.0.99-2.6.5.1.el6.x86_64

vi /etc/profile


JAVA_HOME=/java/jdk1.8
PATH=$JAVA_HOME/bin:$PATH
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH

source /etc/profile