centos7 安装JDK(v13.0.2)

系统环境

CentOS Linux release 7.7.1908 (Core)
Linux version 3.10.0-1062.1.1.el7.x86_64 ([email protected]) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) ) #1 SMP Fri Sep 13 22:55:44 UTC 2019

1.下载jdk13

官网需要账号

https://www.oracle.com/java/technologies/javase-jdk13-downloads.html

点击我接受

不能接着下载,不然会报类似没有授权的错误

或者下载我七牛云里面的

wget http://www.obs.sixmillions.cn/packages/jdk-13.0.2_linux-x64_bin.tar.gz

2.解压

解压到指定java目录下

# 建立个文件夹java,里面放置各个版本的java
mkdir /usr/local/java

# 解压
tar -zxvf jdk-13.0.2_linux-x64_bin.tar.gz -C /usr/local/java

3.配置环境变量

vim /etc/bashrc
# 输入
export JAVA_HOME=/usr/local/java/jdk-13.0.2
export PATH=${JAVA_HOME}/bin:$PATH

# 让配置生效
source /etc/bashrc

4.测试

java -version