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C++ Class Components Quiz

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Questions and Answers

The components of a class are called the ____ of the class.

members

Which of the following class definitions is correct in C++?

class studentType { void setData(string, double, int); private: string name; };

class studentType { public: string name; void setData(double, int); };

class studentType { public: void setData(string, double, int) public: string name; };

class studentType { public: void setData(string, double, int); private: string name; }; (correct)

If a member of a class is ____, you cannot access it outside the class.

private

The word ____ at the end of the member functions in the class clockType specifies that these functions cannot modify the member variables of a clockType object.

<p>const</p> Signup and view all the answers

Which of the following class variable declarations is correct?

<p>rectangleType rectangle;</p> Signup and view all the answers

Study Notes

Class Components

Members are the components of a class in programming.

Class Definition in C++

The correct class definition in C++ is:

class studentType
{
 public:
 void setData(string, double, int);
 private:
 string name;
};

Access Modifiers

Private members of a class are not accessible outside the class.

Const Member Functions

In the clockType class, the const keyword at the end of member functions indicates that these functions do not modify member variables of the object.

Rectangle Class Definition

The provided class rectangleType includes methods for setting dimensions, printing dimensions, calculating area, and calculating perimeter.
Constructor rectangleType() initializes length and width to 0.
Constructor rectangleType(double x, double y) initializes length and width to specified values.

Variable Declaration

A correct variable declaration for an instance of the rectangleType class is:
```
rectangleType rectangle;
```

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Description

Test your knowledge on class components in C++ with this quiz. Answer questions about class definitions, member access, and more. Perfect for students looking to enhance their understanding of object-oriented programming principles.