centos7下安裝jdk-11

下載地址：http://jdk.java.net/java-se-ri/11   (選擇linux版本的)

cd /opt/
wget https://download.java.net/openjdk/jdk11/ri/openjdk-11+28_linux-x64_bin.tar.gz

mkdir /usr/local/java/
tar zxvf openjdk-11+28_linux-x64_bin.tar.gz -C /usr/local/java/


echo 'export JAVA_HOME=/usr/local/java/jdk-11' >> /etc/profile
echo 'export PATH=$JAVA_HOME/bin:$PATH' >> /etc/profile
source /etc/profile

java --version
openjdk 11 2018-09-25
OpenJDK Runtime Environment 18.9 (build 11+28)
OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode)