ubuntu install oracle jdk

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1.Download the required tarball from here2.unzip this tarball using "tar -zxvf tarball_name3.create a folder name java in /usr/lib, you need root permission4.mv the extracted folder to /usr/lib/java/5.next run these below scripts in terminalsudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/java/jdk1.7.0_65/bin/java" 1sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/java/jdk1.7.0_65/bin/javac" 1sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/java/jdk1.7.0_65/bin/javaws" 16.update the JAVA_HOME in your ~/.bashrcexport JAVA_HOME=/usr/lib/java/jdk1.7.0_65set PATH="$PATH:$JAVA_HOME/bin"export PATHYour bashrc should look like bashrc

 

ubuntu install oracle jdk