Which term refers to the ability of objects to take on many forms depending on the context?

• A. Abstraction
• B. Encapsulation
• C. Inheritance
• D. Polymorphism

Answer: (D)

Polymorphism is the ability of objects to take on many forms depending on the context. In practice, it means the same operation can behave differently for different types of objects. For example, a draw or render method can be defined in a base concept like Shape, and each concrete shape (Circle, Rectangle, Triangle) provides its own implementation. When you call that method on a shape reference, the runtime picks the specific version for the actual object, so a circle draws as a circle and a rectangle as a rectangle. This lets you write code that works with any object that shares the same interface, making it easy to extend with new types without changing existing code. Abstraction focuses on modeling essential features, encapsulation on bundling data with restricted access, and inheritance on building a type hierarchy; while they interact with polymorphism, the idea of multiple forms under a common interface is what polymorphism is all about.