Module 1.3: Constructors and Object Creation

Constructor

A special class member used to initialize an object's attributes when the object is created. Has the same name as its class and does not declare a return type.

Instantiation

The process of creating an instance or object from a class. In Java, this is commonly performed using the new keyword.

Object Reference

A variable that refers to an object created from a class.

Initialization

The process of assigning initial values to an object's fields. Constructors commonly perform it when an object is created.

Parameterized Constructor

A constructor that accepts parameters to initialize an object's fields with specific values.

No-Argument Constructor

A constructor that does not accept any arguments. It can initialize an object using predefined values or leave its fields with their default values.