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Exam 10: Classes and Data Abstraction

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Question 21

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The header file is also known as the ____________________.

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interface ...

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Question 22

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A ____ sign in front of a member name on a UML diagram indicates that this member is a protected member.

A) +
B) -
C) #
D) $

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Question 23

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A class object can be ____. That is, it can be created once, when the control reaches its declaration, and destroyed when the program terminates.

With ____________________ functions, the definitions of the member functions are placed in the implementations file.

A(n) ____________________ function of a class changes the values of the member variable(s) of the class.

Given this declaration: class myClass { public: void print(); //Output the value of x; MyClass(); private: int x; }; myClass myObject; The following statement is legal. myObject.x = 10;

A program or software that uses and manipulates the objects of a class is called a(n) ____________________ of that class.

If a class object is passed by ____________________, the contents of the member variables of the actual parameter are copied into the corresponding member variables of the formal parameter.

A ____ sign in front of a member name on a UML diagram indicates that this member is a public member.

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

-Consider the accompanying class definition, and the object declaration: rectangleType bigRect(14,10) ; Which of the following statements is correct?

-Consider the accompanying class definition. Which of the following variable declarations is correct?

-Consider the UML class diagram shown in the accompanying figure. Which of the following is the name of the class?

In C++ terminology, a class object is the same as a class instance.

If an object is created in a user program, then the object can access both the public and private members of the class.

If a function of a class is static, it is declared in the class definition using the keyword static in its ____.

A member function of a class that only accesses the value(s) of the data member(s) is called a(n) ____ function.

In C++, the ____ is called the member access operator.

Which of the following is true about classes and structs?

In C++, you can pass a variable by reference and still prevent the function from changing its value by using the keyword ____ in the formal parameter declaration.