What are the Similarities between abstract class and Interface in Java.
Similarities between abstract class and Interface . 1.Abstract class and interface both are used to achieve abstraction. 2.Abstract class and interface both can't be instantiated(we cannot create object for both) . 3.All the abstract methods must be overridden by the sub class. 4.we can create reference Variables for both. 5.we can go for dynamic(runtime) polymorphism