How to setting IDE (Eclipse) on the Ubuntu 14.04 LTS
 
Step 1: Install JDK as follows:

http://devahoy.com/2014/03/how-to-install-java-jdk-on-ubuntu/

After finished installation then check in terminal :
type:
java -version

results:
java version "1.8.0_20"
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

It has completed.

------------------------------------------------------------------------------------------------------------

Step 2: Install IDE (Eclipse JEE) 

http://www.sysads.co.uk/2014/04/install-latest-eclipse-ide-ubuntu-14-04-13-10/


After finished, you must start Eclipse then
First time to Ubuntu start
In search type : eclipse then Enter

or

Open Terminal (press Ctrl+Alt+T) then type : eclipse then Enter

 

you will see Eclipse for implementation tool.

-------------------------------------------------------------------------------------------------------------