Object-Oriented Languages Quiz

What does polymorphism literally mean?

• Derived from the Latin word meaning single form

• Derived from the French word meaning no form

• Derived from the Spanish word meaning hidden form

• Derived from the Greek word meaning many forms

What are the two main types of polymorphism in object-oriented programming?

• Dynamic and Encapsulation

• Static and Abstract

• Dynamic and Inheritance

• Static and Dynamic

In the left hand program, what does the plus symbol do when a and b are recognized as strings?

• Acts as a string concatenation operator

• Acts as a mathematical operator

• Acts as a logical operator

• Acts as a bitwise operator

What is the process known as when multiple methods of the same name but with different parameters are implemented within the same class?

• Method Encapsulation

• Method Inheritance

• Method Overriding

• Method Overloading

What is the form of polymorphism you will see in the exams, which allows a subclass to override a method of its superclass?

• Encapsulated Polymorphism

• Abstract Polymorphism

• Static Polymorphism

• Dynamic Polymorphism

What are the three essential ingredients for object-oriented programming according to its original creator Alan Kaye?

• Abstraction, Encapsulation, Inheritance

• Polymorphism, Dynamic binding, Abstraction

• Inheritance, Subclass, Polymorphism

• Simple message passing, Encapsulation, Dynamic binding

What is considered to produce much safer and more stable, easy to maintain code compared to object-oriented programming?

• Functional Programming

• Logical Programming

• Structured Programming

• Procedural Programming

What did the late 90s dominance of object-oriented programming result in according to the text?

• Easy to maintain programs, especially with larger projects

• Difficult to maintain programs, especially with larger projects

• Difficult to maintain programs, especially with smaller projects

• Easy to maintain programs, especially with smaller projects