wget
tar zxvf
mv java-x jdk
vim /etc/profile
export JAVA_HOME=/opt/jdk
export PATH=$JAVA_HOME/bin/:$PATH
立即生效
. /etc/proflie //注：有空格
java -version查看
wget
tar zxvf
mv java-x jdk
vim /etc/profile
export JAVA_HOME=/opt/jdk
export PATH=$JAVA_HOME/bin/:$PATH
立即生效
. /etc/proflie //注：有空格
java -version查看