We will focus on the relationship between polymorphism and Java inheritance. The main thing to keep in mind is that polymorphism requires an inheritance or an interface implementation. You can see ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...

1. A plastic manufacturer sells plastic in different shapes like 2D sheet and 3D box. The cost of sheet is Rs 40/ per square ft. and the cost of box is Rs 60/ per cubic ft. Implement it in Java to ...

Abstract: Subtype polymorphism is a cornerstone of object-oriented programming. By hiding variability in behavior behind a uniform interface, polymorphism decouples clients from providers and thus ...

These notes cover almost every aspects of core Java. Then there will be JavaEE applications. Note: Codes in these notes have been written by Oğuz Karan, trainer and ...