when I type sudo update-alternatives --config java
in termainl I get folowing output:-
$ sudo update-alternatives --config java
There are 3 choices for the alternative java (providing /usr/bin/java).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-9-oracle/bin/java 1091 auto mode
1 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual mode
2 /usr/lib/jvm/java-8-oracle/jre/bin/java 1081 manual mode
3 /usr/lib/jvm/java-9-oracle/bin/java 1091 manual mode
Press <enter> to keep the current choice[*], or type selection number:
As you can see there are two exact same java paths /usr/lib/jvm/java-9-oracle/bin/java
one is on 0th selection and second in on 3rd selection. Why is this so?? why I am not seeing this for openjdk8 or java-8-oracle??