二进制安装JAVA17

安装JAVA

下载java

[root@i-obqe21ce ~]# wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
[root@i-obqe21ce ~]# mkdir /usr/local/java
[root@i-obqe21ce ~]# tar -zxvf jdk-17_linux-x64_bin.tar.gz -C /usr/local/java

添加变量

[root@i-obqe21ce ~]# vim /etc/profile
export JAVA_HOME=/usr/local/java/jdk-17.0.2
export JRE_HOME=/${JAVA_HOME}
export CLASSPATH=.:${JAVA_HOME}/libss:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

变量生效

[root@i-obqe21ce ~]# source /etc/profile
[root@i-obqe21ce ~]# java -version
java version "17.0.2" 2022-01-18 LTS
Java(TM) SE Runtime Environment (build 17.0.2+8-LTS-86)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.2+8-LTS-86, mixed mode, sharing)