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?

Answer 4

Question 5

What are some of the details of design patterns?

Answer 5

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?

Answer 8

Question 9

What are the Drawbacks of Design Patterns?

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Question 10

What is the Model-View-Controller design pattern?

Answer 10

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?

Answer 12

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?

Answer 16

Question 17

What are the two main goals of creational design patterns?

Answer 17

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?

Answer 20

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?

Answer 47