Multithreading in JAVA using Runnable Interface

                       After learning How to perform Multithreading in Java, the next step is to learn the same by using Runnable Interface. As explained in earlier post (Multithreading in Java) a class needs to extend Thread Class to achieve Multithreading. But when we want to do the same by using Runnable Interface, we must understand that Runnable is a interface not a class.