SLR 3 - Programming paradigms

Question 1

What is a paradigm?

Answer 1

a way of thinking

Question 2

What are the three different types of programming language? + examples

Answer 2

• procedural (Pascal, Python, c)
• object orientated (C++, Java)
• assembly

Question 3

What is Turing complete?

Answer 3

A computing language which is able to solve all problems a computer is able to solve.

Question 4

What do procedural languages entail?

Answer 4

• instructions
• sequence, selection and iteration
• interaction
• procedures and functions

Question 5

What do object orientated languages entail?

Answer 5

• objects are modelled on real world
• objects interact
• inheritance

Question 6

What do assembly languages languages entail?

Answer 6

• mnemonics
• processor specific

Question 7

What does a class diagram look like?

Answer 7

• a rounded rectangle separated into 3 sections
• section 1 = class name
• section 2 = attributes
• section 3 = methods

Question 8

What is instantiation? e.g.,

Answer 8

the process of creating an object from a class template
e.g., person1 = new Person(“Dylan”, “Cheese”)

Question 9

What key word links to the constructor?

Answer 9

• ‘new’
• this will be in you class code and runs when an object of this class type is created

Question 10

What is inheritance?

Answer 10

• Reuses and extends code from the original class within a new one
• It uses the attributes and methods from the previous class but can contain additional attributes and methods.

Question 11

What are the classes called during inheritance?

Answer 11

• the original class becomes the superclass
• the calls which inherits is called the subclass

Question 12

What does ‘.super’ do?

Answer 12

Overrides the inheritance and takes the value in the attribute from the superclass

Question 13

What is the key piece of code that needs to go into the subclass when its created?

Answer 13

class employee ‘inherits’ person