CentOS7源码安装jdk11

1.下载jdk    

官网下载

如有旧版本请先卸载openjdk:

[root@localhost ~]# yum erase `rpm -qa | grep openjdk` -y

2.解压安装

[root@localhost ~]# tar -xvf jdk-11.0.16.1_linux-x64_bin.tar.gz -C /usr/local/
[root@localhost ~]# cd /usr/local/
[root@localhost local]# ll  jdk-11.0.16.1

3.修改环境变量

[root@localhost ~]# vim /etc/profile
#jdk-11.0.16.1
export JAVA_HOME=/usr/local/jdk-11.0.16.1
export PATH=$PATH:$JAVA_HOME/bin

[root@localhost ~]# source /etc/profile

4.查看java版本

[root@localhost ~]# java -version
java version "11.0.16.1" 2022-08-18 LTS
Java(TM) SE Runtime Environment 18.9 (build 11.0.16.1+1-LTS-1)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.16.1+1-LTS-1, mixed mode)