如何从 snap 安装 OpenJDK 以便可以从 CLI 使用 javac 和 java？
nicholas@mordor:~$
nicholas@mordor:~$ snap list
Name Version Rev Tracking Publisher Notes
bare 1.0 5 latest/stable canonical✓ base
chromium 113.0.5672.126 2477 latest/stable canonical✓ -
core18 20230503 2751 latest/stable canonical✓ base
core20 20230503 1891 latest/stable canonical✓ base
core22 20230531 750 latest/stable canonical✓ base
cups 2.4.2-5 872 latest/stable openprinting✓ -
firefox 111.0.1-2 2517 latest/stable/… mozilla✓ -
gnome-3-38-2004 0+git.6f39565 140 latest/stable canonical✓ -
gnome-42-2204 0+git.587e965 102 latest/stable/… canonical✓ -
gtk-common-themes 0.1-81-g442e511 1535 latest/stable/… canonical✓ -
openjdk 20.0.1+9 1349 latest/stable jgneff -
snap-store 41.3-71-g709398e 959 latest/stable/… canonical✓ -
snapd 2.59.4 19361 latest/stable canonical✓ snapd
snapd-desktop-integration 0.9 83 latest/stable/… canonical✓ -
nicholas@mordor:~$
nicholas@mordor:~$ openjdk.java -version
openjdk version "20.0.1" 2023-04-18
OpenJDK Runtime Environment (build 20.0.1+9-snap)
OpenJDK 64-Bit Server VM (build 20.0.1+9-snap, mixed mode, sharing)
nicholas@mordor:~$
nicholas@mordor:~$ java --version
Command 'java' not found, but can be installed with:
sudo apt install openjdk-17-jre-headless # version 17.0.7+7~us1-0ubuntu1~23.04, or
sudo apt install default-jre # version 2:1.17-74
sudo apt install openjdk-11-jre-headless # version 11.0.19+7~us1-0ubuntu1~23.04
sudo apt install openjdk-20-jre-headless # version 20.0.1+9~us1-0ubuntu1~23.04
sudo apt install openjdk-8-jre-headless # version 8u372-ga~us1-0ubuntu1~23.04
sudo apt install openjdk-18-jre-headless # version 18.0.2+9-2ubuntu1
sudo apt install openjdk-19-jre-headless # version 19.0.2+7-0ubuntu4
sudo apt install openjdk-21-jre-headless # version 21~14ea~us1-0ubuntu1
nicholas@mordor:~$
nicholas@mordor:~$ javac --version
Command 'javac' not found, but can be installed with:
sudo apt install openjdk-17-jdk-headless # version 17.0.7+7~us1-0ubuntu1~23.04, or
sudo apt install default-jdk # version 2:1.17-74
sudo apt install openjdk-11-jdk-headless # version 11.0.19+7~us1-0ubuntu1~23.04
sudo apt install openjdk-20-jdk-headless # version 20.0.1+9~us1-0ubuntu1~23.04
sudo apt install openjdk-8-jdk-headless # version 8u372-ga~us1-0ubuntu1~23.04
sudo apt install ecj # version 3.32.0+eclipse4.26-2
sudo apt install openjdk-18-jdk-headless # version 18.0.2+9-2ubuntu1
sudo apt install openjdk-19-jdk-headless # version 19.0.2+7-0ubuntu4
sudo apt install openjdk-21-jdk-headless # version 21~14ea~us1-0ubuntu1
nicholas@mordor:~$
nicholas@mordor:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 23.04
Release: 23.04
Codename: lunar
nicholas@mordor:~$
也可以看看：
答案1
您的系统中没有 snap 二进制文件PATH，请尝试使用完整的 snap 命令运行java和命令，如和，您还可以创建符号链接，如：javacopenjdk.javaopenjdk.javac
sudo ln -s /snap/bin/openjdk.java /usr/bin/java
sudo ln -s /snap/bin/openjdk.javac /usr/bin/javac
最好的办法还是使用 Java 的环境管理器，SDKMAN例如jEnv