$ LANG=C dpkg -l '*openjdk*' '*oracle*'
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                      Version                   Architecture              Description
+++-=========================================-=========================-=========================-=======================================================================================
un  openjdk-11-jdk-headless                   <none>                    <none>                    (no description available)
ii  openjdk-11-jre:amd64                      11.0.3+7-1ubuntu2~18.04.1 amd64                     OpenJDK Java runtime, using Hotspot JIT
ii  openjdk-11-jre-headless:amd64             11.0.3+7-1ubuntu2~18.04.1 amd64                     OpenJDK Java runtime, using Hotspot JIT (headless)
un  openjdk-6-jre                             <none>                    <none>                    (no description available)
un  openjdk-6-jre-headless                    <none>                    <none>                    (no description available)
un  openjdk-7-jdk                             <none>                    <none>                    (no description available)
un  openjdk-7-jre                             <none>                    <none>                    (no description available)
un  openjdk-7-jre-headless                    <none>                    <none>                    (no description available)
un  openjdk-8-jdk                             <none>                    <none>                    (no description available)
un  openjdk-8-jdk-headless                    <none>                    <none>                    (no description available)
un  openjdk-8-jre                             <none>                    <none>                    (no description available)
rc  openjdk-8-jre-headless:amd64              8u212-b03-0ubuntu1.18.04. amd64                     OpenJDK Java runtime, using Hotspot JIT (headless)
in  openjdk-9-jdk:amd64                       <none>                    amd64                     (no description available)
rc  openjdk-9-jre-headless:amd64              9~b114-0ubuntu1           amd64                     OpenJDK Java runtime, using Hotspot JIT (headless)
un  oracle-java11-installer                   <none>                    <none>                    (no description available)
un  oracle-java6-set-default                  <none>                    <none>                    (no description available)
un  oracle-java7-bin                          <none>                    <none>                    (no description available)
un  oracle-java7-fonts                        <none>                    <none>                    (no description available)
un  oracle-java7-jdk                          <none>                    <none>                    (no description available)
un  oracle-java7-jre                          <none>                    <none>                    (no description available)
un  oracle-java7-plugin                       <none>                    <none>                    (no description available)
un  oracle-java7-set-default                  <none>                    <none>                    (no description available)
un  oracle-java8-bin                          <none>                    <none>                    (no description available)
un  oracle-java8-fonts                        <none>                    <none>                    (no description available)
rc  oracle-java8-installer                    8u201-1~webupd8~1         all                       Oracle Java(TM) Development Kit (JDK) 8
un  oracle-java8-jdk                          <none>                    <none>                    (no description available)
un  oracle-java8-jre                          <none>                    <none>                    (no description available)
un  oracle-java8-plugin                       <none>                    <none>                    (no description available)
rc  oracle-java8-set-default                  8u201-1~webupd8~1         all                       Set Oracle JDK 8 as default Java
un  oracle-java9-set-default                  <none>                    <none>                    (no description available)
un  oracle-jdk7-installer                     <none>                    <none>                    (no description available)
un  oracle-jdk8-installer                     <none>                    <none>                    (no description available)