212 - Advanced Programming

Question 1

Types of languages

Answer 1

1. Imperative/ procedural
2. Object oriented
3. Declarative
4. (Pure) functional

Question 2

Identify what each part of this statement is

Person p = new Person()

Answer 2

Person = Class
p = Instance variable 
() = Constructor

Question 3

What does inheritance do in OO languages? (Object Oriented)

Answer 3

It provides a mechanism to promote reuse and extensibility

Question 4

What is a class that is being extended known as?

Answer 4

Base, Super or Parent class.

The new class is known as a subclass

Question 5

How to define a single super class in Java

Answer 5

By using (extends) as Java is a single inheritance language

Question 6

Inheritance hierarchy example

Answer 6

Mammal
/ \
Whale Person
/ / \
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