Linux命令安装jdk

Linux(Centos7.6)安装jdk1.8

yum方式安装

1. 查看yum源中是否有相关套件

   yum -y list java*

2. yum -y install java-1.8.0-openjdk-devel.x86_64

3. 默认安装路径 /usr/lib/jvm

   vim /etc/profile  
   export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.x86_64  
   export PATH=.:$JAVA_HOME/bin:$PATH  
   export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar  
   source /etc/profile

4. 校验是否安装成功

   java -version