ubuntu 22.04如何安装java环境

 

1、系统信息

root@ubuntu2204test01:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04 LTS
Release:        22.04
Codename:       jammy

 

 

2、测试java

root@ubuntu2204test01:/home/software# java
Command 'java' not found, but can be installed with:
apt install openjdk-11-jre-headless  # version 11.0.15+10-0ubuntu0.22.04.1, or
apt install default-jre              # version 2:1.11-72build2
apt install openjdk-17-jre-headless  # version 17.0.3+7-0ubuntu0.22.04.1
apt install openjdk-18-jre-headless  # version 18~36ea-1
apt install openjdk-8-jre-headless   # version 8u312-b07-0ubuntu1

 

 

3、安装java运行环境

root@ubuntu2204test01:/home/software# apt install openjdk-11-jre-headless

 

4、测试jjava运行环境

root@ubuntu2204test01:~# java --version
openjdk 11.0.15 2022-04-19
OpenJDK Runtime Environment (build 11.0.15+10-Ubuntu-0ubuntu0.22.04.1)
OpenJDK 64-Bit Server VM (build 11.0.15+10-Ubuntu-0ubuntu0.22.04.1, mixed mode, sharing)

 

5、测试javac命令

root@ubuntu2204test01:/home/software# javac

 

 

6、安装java开发环境

root@ubuntu2204test01:/home/software# apt install openjdk-11-jdk-headless

 

7、测试javac命令

root@ubuntu2204test01:/home/software# javac --version
javac 11.0.15