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- Question
Where the default value of parameter have to be specified?
Options- A. Function call
- B. Function definition
- C. Function prototype
- D. Both B or C
- Correct Answer
- Function prototype
- 1. Which of the following statement is correct?
Options- A. Overloaded functions can have at most one default argument.
- B. An overloaded function cannot have default argument.
- C. All arguments of an overloaded function can be default.
- D. A function if overloaded more than once cannot have default argument. Discuss
- 2. Which of the following statement is incorrect?
Options- A. The default value for an argument can be a global constant.
- B. The default arguments are given in the function prototype.
- C. Compiler uses the prototype information to build a call, not the function definition.
- D. The default arguments are given in the function prototype and should be repeated in the function definition. Discuss
- 3. Which of the following statement is correct?
Options- A. C++ enables to define functions that take constants as an argument.
- B. We cannot change the argument of the function that that are declared as constant.
- C. Both A and B.
- D. We cannot use the constant while defining the function. Discuss
- 4. Which of the following statement is correct?
Options- A. Constructors can have default parameters.
- B. Constructors cannot have default parameters.
- C. Constructors cannot have more than one default parameter.
- D. Constructors can have at most five default parameters. Discuss
- 5. Which of the following statement will be correct if the function has three arguments passed to it?
Options- A. The trailing argument will be the default argument.
- B. The first argument will be the default argument.
- C. The middle argument will be the default argument.
- D. All the argument will be the default argument. Discuss
- 6. Which of the following function prototype is perfectly acceptable?
Options- A. int Function(int Tmp = Show());
- B. float Function(int Tmp = Show(int, float));
- C. Both A and B.
- D. float = Show(int, float) Function(Tmp); Discuss
- 7. Which of the following function / types of function cannot have default parameters?
Options- A. Member function of class
- B. main()
- C. Member function of structure
- D. Both B and C Discuss
- 8. Which of the following statements is correct about the constructors and destructors?
Options- A. Destructors can take arguments but constructors cannot.
- B. Constructors can take arguments but destructors cannot.
- C. Destructors can be overloaded but constructors cannot be overloaded.
- D. Constructors and destructors can both return a value. Discuss
- 9. How can we make a class abstract?
Options- A. By making all member functions constant.
- B. By making at least one member function as pure virtual function.
- C. By declaring it abstract using the static keyword.
- D. By declaring it abstract using the virtual keyword. Discuss
- 10. What does the class definitions in following code represent?
class Bike { Engine objEng; }; class Engine { float CC; };
Options- A. kind of relationship
- B. has a relationship
- C. Inheritance
- D. Both A and B Discuss
Functions problems
Search Results
Correct Answer: All arguments of an overloaded function can be default.
Correct Answer: The default arguments are given in the function prototype and should be repeated in the function definition.
Correct Answer: Both A and B.
Correct Answer: Constructors can have default parameters.
Correct Answer: The trailing argument will be the default argument.
Correct Answer: int Function(int Tmp = Show());
Correct Answer: main()
Correct Answer: Constructors can take arguments but destructors cannot.
Correct Answer: By making at least one member function as pure virtual function.
Correct Answer: has a relationship
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