We can not run the interface Java class but we can run abstract class in it contains the main() method. Note: According the Java7 specification the main difference between abstract class and interface ...

Abstract class and interface both are used to achieve abstraction both can be used to declare the abstract methods. Abstract class and interface both can't be instantiated. Major difference between ...

An interface in Kotlin is a blueprint of a class. It describes a set of methods that a class agrees to implement. Unlike a class, an interface cannot hold state (it cannot store properties that are ...

Learn the differences between these Java language elements and ... that must be implemented by a concrete class. Interface methods are implicitly abstract, and also require a concrete class ...

An abstract class can have constructors—this is one major difference between an abstract class and an interface. You can take advantage of abstract classes to design components and specify some ...