A mutator method, often called a 'setter', is used to control changes to an object's state by updating its fields. It is a fundamental concept in object-oriented programming, promoting encapsulation by providing controlled access to an object's attributes.

Mutator Method

Setter

Changes to an object's state

Updating its fields

Object-oriented programming (OOP) is a programming paradigm centered around the concept of objects, which are instances of classes, encapsulating data and behavior together. This approach promotes code reusability, scalability, and organization through principles such as inheritance, encapsulation, polymorphism, and abstraction.

Object-oriented Programming

Encapsulation is a fundamental principle in object-oriented programming that involves bundling the data and the methods that operate on the data into a single unit, or class, while restricting access to some of the object's components. This concept promotes modularity and enhances security by allowing controlled access and modification of the object's state through defined interfaces, typically using access specifiers like private, protected, and public.

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