install java 8 / openjdk8 on kali linux 2020.04 ( debian )

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Hello guys, Download java 8 or openjdk 8...
then extract that file....
rename that folder... ( my folder name jdk-8)
move that folder here /usr/lib/jvm/ ( java folder path )
then create java alternative version... type this commands..

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-8/bin/java 1

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-8/bin/javac 1

sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk-8/bin/jar 1


*plz note : my folder name jdk-8 , change your java folder name /usr/lib/jvm/{here}/
loader.jar is java8 testing file ( burp suite software )

then switch your java version ... sudo update-alternatives --config java

=================================================================

plan A (java 8)

https://www.oracle.com/java/technolog...


Download java 8
extract

rename ( java-8 )



sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-8/bin/java 1

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-8/bin/javac 1

sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk-8/bin/jar 1



sudo update-alternatives --config java


======================================

plan B (openjdk8)


https://jdk.java.net/java-se-ri/8-MR3


sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/openjdk-8/bin/java 1

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/openjdk-8/bin/javac 1

sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/openjdk-8/bin/jar 1



sudo update-alternatives --config java