linux 安装jdk11
- 安装Java 11
sudo apt install openjdk-11-jdk
2.检查jdk版本
java -version
3.输出看起来像下面这样:
openjdk version "11.0.9.1" 2020-11-04
OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04)
OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04, mixed mode, sharing)
4.配置环境变量
- 使用vim或vi指令打开profile文件:
vim /etc/profile
- 将以下代码粘贴进去:
JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64
CLASSPATH=$JAVA_HOME/lib
PATH=$JAVA_HOME/bin:$PATH
export PATH JAVA_HOME CLASSPATH
如果没有权限保存,执行下边名字输入密码即可
# :w ! sudo tee %
- 重新加载/etc/profile
source /etc/profile
查看Java版本:
java -version
openjdk version "11.0.9.1" 2020-11-04
OpenJDK Runtime Environment (build 11.0.9.1+1-post-Uos-1deb10u2)
OpenJDK 64-Bit Server VM (build 11.0.9.1+1-post-Uos-1deb10u2, mixed mode, sharing)
查看gradle版本:
./gradle --version
Build time: 2021-08-17 09:59:03 UTC
Revision: a773786b58bb28710e3dc96c4d1a7063628952ad
Kotlin: 1.5.21
Groovy: 3.0.8
Ant: Apache Ant(TM) version 1.10.9 compiled on September 27 2020
JVM: 11.0.9.1 (Uos 11.0.9.1+1-post-Uos-1deb10u2)
OS: Linux 5.10.50-amd64-desktop amd64
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