Class and objects

Question 1

What is an enum?

Answer 1

An enum is a data type that represents a group of constants (unchangeable variables, like final variables).

Question 2

There is an enum class called Fruits. It has a enum constant called ‘Apple’. How to access it?

Answer 2

Fruit myVar = Fruit.MEDIUM;

Question 3

What is a default constructor?

Answer 3

A constructor without parameters. If a class has no parameters java automatically provides a default constructor.