AdStringO Junior Software Developer Interview Questions and Answers

Polymorphism is the ability of an object to take on many forms.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It can be achieved through method overloading or method overriding.

• Example: A parent class Animal can have child classes like Dog, Cat, and Cow. All of them have a common method called makeSound(), but each of them makes a different sound.

• Polymorphism helps in ac

An interface is a contract that defines the methods and properties that a class must implement.

• Interfaces are used to achieve abstraction and polymorphism in object-oriented programming.

• They allow for multiple classes to implement the same interface, providing a common set of methods and properties.

• Interfaces are declared using the 'interface' keyword in languages like Java and C#.

• An example of an interface in Java is ...read more