تحميل الجافا من هنا : http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html



For Kali linux x64 :    jdk-7u51-linux-x64.tar.gz

tar -xzvf /root/jdk-7u51-linux-x64.tar.gz
mv jdk1.7.0_51 /opt
cd /opt/jdk1.7.0_51
update-alternatives --install /usr/bin/java java /opt/jdk1.7.0_51/bin/java 1
update-alternatives --install /usr/bin/javac javac /opt/jdk1.7.0_51/bin/javac 1
update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.s­o mozilla-javaplugin.so /opt/jdk1.7.0_51/jre/lib/amd64/libnpjp2.­so 1
update-alternatives --set java /opt/jdk1.7.0_51/bin/java
update-alternatives --set javac /opt/jdk1.7.0_51/bin/javac
update-alternatives --set mozilla-javaplugin.so /opt/jdk1.7.0_51/jre/lib/amd64/libnpjp2.so


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For Kali linux x86 :    jdk-7u51-linux-i586.tar.gz

tar -xzvf /root/jdk-7u51-linux-i586.tar.gz

mv jdk1.7.0_51 /opt

cd /opt/jdk1.7.0_51

update-alternatives --install /usr/bin/javac javac /opt/jdk1.7.0_51/bin/javac 1

update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.s­o mozilla-javaplugin.so /opt/jdk1.7.0_51/jre/lib/i386/libnpjp2.s­o 1

update-alternatives --set java /opt/jdk1.7.0_51/bin/java

update-alternatives --set javac /opt/jdk1.7.0_51/bin/javac

update-alternatives --set mozilla-javaplugin.so /opt/jdk1.7.0_51/jre/lib/i386/libnpjp2.so

By RedMan