: error: no alternatives for jaotcupdate-alternatives: error: no alternatives for jdepsupdate-alternatives: error: no alternatives for jmap
update-alterna
: error: no alternatives for idljupdate-alternatives: error: no alternatives for javapupdate-alternatives: error: no alternatives for jhat
update-alterna
尽管我认为我已切换回Java 8:There are 3 choices for the alternative javac: using /usr/lib/jvm/java-11-openjdk-amd64/bin/jar to provide /usr/bin/jar (jar) in auto mode
update-alternatives: using /usr