2.1 Objects: Instances of Classes

Enduring Understanding

Some objects or concepts are so frequently represented that programmers can draw upon existing code that has already been tested, enabling them to write solutions more quickly and with a greater degree of confidence.

Learning Objective

Explain the relationship between a class and an object.

Essential Knowledge

An object is a specific instance of a class with defined attributes.

A class is the formal implementation, or blueprint, of the attributes and behaviors of an object.