Hope you are doing good.
Please follow the below steps:
(i) Download the selenium-server-standalone-2.44.0.jar from the below link:
(ii) Open the Command Prompt and go to the location using cd command where selenium-server-standalone-2.44.0.jar is present.
(iii) Now use the below command to run the selenium-server-standalone-2.44.0.jar:
java –jar selenium-server-standalone-2.44.0.jar
(iv) Open the Eclipse, write the code and run it in the Eclipse Itself.
Please try the above suggested steps and let us know if you face any issue.
I will wait for your response.