卸载OpenJDK安装JDK

rpm -qa | grep java
rpm -qa | jdk java rpm -qa | grep java| xargs rpm -e --nodeps
rpm -qa | grep jdk | xargs rpm -e --nodeps vi /etc/profile#Java Env
export JAVA_HOME=/usr/local/tools/jdk1..0_131
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
#Java Envsource /etc/profile