Design Patterns & Const Correctness

Question 1

What is a design pattern?

Answer 1

Question 2

What is the process of discovering a design pattern?

Answer 2

Question 3

What is the process of applying a design pattern?

Answer 3

Question 4

What are the four main components of design patterns?

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Question 5

What are some of the details of design patterns?

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Question 6

What are the three main types of design patterns?

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Question 7

What is the “Gang oof Four Design Patterns”?

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Question 8

What are the benefits of Design Patterns?

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Question 9

What are the Drawbacks of Design Patterns?

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Question 10

What is the Model-View-Controller design pattern?

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Question 11

What is the Model portion of the MVC design pattern?

Answer 11

Question 12

What is the View portion of the MVC design pattern?

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Question 13

What is the Controller portion of the MVC design pattern?

Answer 13

Question 14

MVC design pattern diagram:

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Question 15

What is the Model View Presenter design pattern?

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Question 16

What are the benefits of the MVC design pattern?

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Question 17

What are the two main goals of creational design patterns?

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Question 18

With creational design patterns, the system at large knows about what?

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Question 19

What are some of the creational design patterns?

Answer 19

Question 20

The const constraint enforced by what?

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Question 21

What is the ‘right-to-left’ rule for pointers and const?

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Question 22

Const correctness example: what are the following variables:

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Question 23

Const correctness example:

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Question 24

Const correctness example:

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Question 25

Const correctness example:

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Question 26

Const correctness example:

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Question 27

When the data pointed to is constant, where does the ‘const’ need to go?

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Question 28

Can an address of a non-const object be assigned to a const pointer?

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Question 29

Can you assign the address of const object to a non-const pointer?

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Question 30

How are strings the exception to const correctness?

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Question 31

What can be const with regards to functions?

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Question 32

What is a const return value? Why would you return a const value?

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Question 33

What do we almost always want to return as a const?

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Question 34

What are const parameters?

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Question 35

What is another advantage of accepting const reference parameters?

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Question 36

What is a const function? What is the difference between a const function and non-const function?

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Question 37

What really happens when we call a function on an object? How does a const function apply to this?

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Question 38

Why does having a function be const prevent the private data from being changed?

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Question 39

What guarantee does a const function make?

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Question 40

What does it mean for a member function to be const? What is the difference between bitwise constness and conceptual constness?

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Question 41

What is conceptual constness?

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Question 42

How the the length() function an example of conceptual constness?

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Question 43

What keyword is used to allow conceptual constness?

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Question 44

What do const member functions specify? Members functions differing only in their constness can be…

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Question 45

Const function example:

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Question 46

In what situations should a pointer or member function be declared const?

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Question 47

What is the rule of thumb for const functions? How can it help software?

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