Eclipse needs Java Runtime Environment (JRE) in order to work. The following command can install JRE in Ubuntu:

    $ sudo apt-get install default-jre
  

The first step is to download the latest eclipse IDE. We can get the latest version of Eclipse at https://www.eclipse.org/downloads/?osType=linux.

Download and extract the Eclipse IDE for C/C++ Developers that is marked on the preceding image. Extract the Eclipse archive file using the following command. Here we are using Eclipse mars for Linux 64 bit:

    $ tar -xvzf eclipse-cpp-<name_version>-linux-gtk-x86_64.tar.gz
  

We will get a folder called eclipse after extraction. Copy the eclipse folder to the
/opt folder using the following command:

    $ sudo cp -r eclipse /opt/
  

Create a desktop file for the eclipse for accessing from the Ubuntu search bar:

    $ sudo nano /usr/share/applications/eclipse.desktop
  

Copy and paste the following content to this file. This file consists of the location of the eclipse executable and its icon:

[Desktop Entry] 
Version=4.4.1 
Name=Eclipse Mars Java EE 
GenericName=IDE 
Comment=Eclipse IDE for Java C++ Developers 
Exec=/opt/eclipse/eclipse 
Terminal=false 
Icon=/opt/eclipse/icon.xpm 
Type=Application 
Categories=Utility;Application; 

After saving this file, you can access Eclipse from the search bar itself.