How To Remove Oracle JDK in Linux

To remove Oracle JDK, It could be done like this:
Remove the link:
$ sudo update-alternatives —remove "java" "/usr/lib/jvm/jdk[version]/bin/java"
$ sudo update-alternatives —remove "javac" "/usr/lib/jvm/jdk[version]/bin/javac"
$ sudo update-alternatives —remove "javaws" "/usr/lib/jvm/jdk[version]/bin/javaws"

Then, remove the package in the /usr/lib/jvm:

$ sudo rm -r /usr/lib/jvm/jdk[version]

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