Installing Oracle JAVA JDK 8 on Ubuntu [Offline]

download jdk from here first

Steps To Install JDK on Ubuntu or deepin os:

Step 1: Copy the Downloaded Java into home directory .

Step 2: Change the permission by clicking on properties . [change to Read, Write, Execute (777)]

Step 3: Now Open The Terminal and Paste this command

Copy All Code

tar -xvzf jdk-8u51-linux-x64.tar.gz

Press Enter.

Step 4: Create jvm folder in /usr/lib by the following command .

Copy All Code

sudo mkdir /usr/lib/jvm

Step 5: Move extracted jdk 8 folder to this location

Copy All Code

sudo mv jdk1.8.0 /usr/lib/jvm/jdk1.8.0

Step 6: Install new java source in the system:

Copy All Code

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0/bin/javac 1

sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0/bin/java 1

sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.8.0/bin/javaws 1

Step 7: Choose default java:

Copy All Code

sudo update-alternatives --config javac

sudo update-alternatives --config java

sudo update-alternatives --config javaws

Step 8: Now you have successfully installed java in your system.

managed server