November 2018 - Javagyansite

Polymorphism and Generics continues…

The compiler only allows the List of Type Animal to the method add. Otherwise , it throws compilation error. Is[…]

Let us create the below Hierarchy of Classes. class Animal {} class Dog extends Animal{} class Cat extends Animal{} Here,[…]

Before we dwell into the concept of “Type Erasure”, let us have a look into the below code. Mixing Generic[…]

What are Java Generics? Generics in Java provide a way to create classes, interfaces, and methods that can work with[…]