006、卸载openjdk更新jdk

java -version

 

 

 

vim /etc/profile

source /etc/profile

 

#java_home

export JAVA_HOME=/root/jdk/jdk1.8.0_333

export PATH=$PATH:$JAVA_HOME/bin

 

更新软链接

ln -s /root/jdk/jdk1.8.0_333/bin/java /usr/bin/java