在 ubuntu 上，我已经通过命令安装了 java doc：
sudo apt 安装 openjdk-11-doc
但是，仍然无法通过找到任何文档man jlink。
这是否意味着 javadoc 不包含手册页jlink或者我没有正确安装它？
答案1
您没有指定发布版本，但从软件包中焦点或 20.04
https://packages.ubuntu.com/focal/openjdk-11-doc
您可以查看文件列表或
https://packages.ubuntu.com/focal/all/openjdk-11-doc/filelist
我只会提供开头几行
/usr/share/doc-base/openjdk-11-jdk-doc
/usr/share/doc/openjdk-11-doc/api
/usr/share/doc/openjdk-11-doc/changelog.Debian.gz
/usr/share/doc/openjdk-11-doc/copyright
/usr/share/doc/openjdk-11-doc/index.html
/usr/share/doc/openjdk-11-doc/legal
/usr/share/doc/openjdk-11-doc/resources
/usr/share/doc/openjdk-11-doc/specs
/usr/share/doc/openjdk-11-jre-headless/api/allclasses-index.html
/usr/share/doc/openjdk-11-jre-headless/api/allclasses.html
/usr/share/doc/openjdk-11-jre-headless/api/allpackages-index.html
/usr/share/doc/openjdk-11-jre-headless/api/constant-values.html
/usr/share/doc/openjdk-11-jre-headless/api/deprecated-list.html
/usr/share/doc/openjdk-11-jre-headless/api/element-list
/usr/share/doc/openjdk-11-jre-headless/api/help-doc.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-1.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-10.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-11.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-12.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-13.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-14.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-15.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-16.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-17.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-18.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-19.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-2.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-20.html
/usr/share/doc/openjdk-11-jre-headless/api/index-files/index-21.html
（等等；这是一个很长的清单！）
该包中的文档是可以通过浏览器查看的 HTML 格式。