1.安装java11
[root@localhost ~]# yum install -y java-11-openjdk-devel
[root@localhost ~]# java --version
openjdk 11.0.23 2024-04-16 LTS
OpenJDK Runtime Environment (Red_Hat-11.0.23.0.9-2.el7_9) (build 11.0.23+9-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-11.0.23.0.9-2.el7_9) (build 11.0.23+9-LTS, mixed mode, sharing)
[root@localhost ~]# which java
/usr/bin/java