Zee Entertainment Enterprises Associate Software Engineer Interview Questions and Answers

An interface is a contract that defines the methods that a class must implement, while an abstract class can provide some implementation.

• An interface can only have abstract methods, while an abstract class can have both abstract and non-abstract methods.

• A class can implement multiple interfaces, but can only inherit from a single abstract class.

• Interfaces are used to achieve multiple inheritance in Java.

• Abstract classe...read more

Enum is a data type that consists of a set of named values.

• Enums are used to define a set of constants that can be assigned to a variable.

• They make code more readable and maintainable.

• Example: enum Color { RED, GREEN, BLUE }

• Enums can also have values assigned to them, like enum Size { SMALL = 1, MEDIUM = 2, LARGE = 3 }