How INSTALL JAVA and Set JAVA PATH in ubuntu

1.To install java , go to terminal and enter

sudo apt-get install openjdk-7-jdk

once you done the Installation

2.GO to Terminalto edit .bashrc file

vi ~/.bashrc

[if not allowing to edit you have to give the root permission by type “sudo”]

sudo vi ~/.bashrc

It will open the Text editor

3. Add this code to end of the Document

4.

JAVA_HOME=/usr/lib/jvm/jdk1.7.0 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH Save the file 4.To check whether the PATH is set properly Type JAVA -version if you got like this , PATH has beed set successfully java version "1.7.0_79" OpenJDK Runtime Environment (IcedTea 2.5.5) (7u79-2.5.5-0ubuntu0.14.04.2) OpenJDK Server VM (build 24.79-b02, mixed mode)