Object-oriented programming approaches

OOP represents an efficient way to develop portable and secure code. The key to implementing OOP in our applications includes several approaches to include the following:

• Accessors and mutators
• Driver class
• Constructors
• Overloading constructors and methods
• Method call chaining

Each of these approaches is covered in the sections that follow.

Accessors and mutators

Accessor methods are those that allow an object's data to be accessed. These methods can get the data, but not change it. This is a great way to protect the data from being changed. Accessor methods are also referred to as Getters methods.

Mutator methods, also known as setter methods, allow the object's instance...