Question
In C++, class members are private by default. A. true B. false In C++, destructors may return a value. A. true B. false In C++,
In C++, class members are private by default.
A. true
B. false
In C++, destructors may return a value.
A. true
B. false
In C++, pointers can be used as array names.
A. true
B. false
Public members of a public base class become protected members of the derived class.
A. true
B. false
A member function of a derived class may have the same name as a member function of the base class.
A. true
B. false
C++ allows you to pass an object of a derived class as an argument to a function where the parameter is of base class type.
A. true
B. false
A class containing one or more pure virtual functions is an abstract class and cannot be instantiated.
A. true
B. false
The compiler creates an instance of a function template in memory as soon as it encounters the function template definition.
A. true
B. false
Here is a function prototype and some possible function calls:
double sumOfThreeNumbers(double = 1.0, double = 2.0, double = 3.0);
// Possible function calls:
cout << sumOfThreeNumbers ();
cout << sumOfThreeNumbers (2.3);
cout << sumOfThreeNumbers ( , 1.7, -3);
cout << sumOfThreeNumbers (2.3, , -3);
How many of the above function calls are legal?
1 of them is legal.
B. 2 of them are legal.
C. 3 of them are legal.
D. All of them are legal.
Here is the start of a class declaration:
class ClassA
{
public:
void func1(const ClassA& a);
void func2(const ClassA& a) const;
void func3(ClassA a) const;
...
Which of the three member functions can alter the private member variables of the ClassA object that activates the function?
None of the three functions.
Only func1.
C. Only func2.
D. Only func3.
E. Only two of the three functions.
Given a C-string defined by
char name[8] = {'M', 'i', 'k', 'e', '\0'};
which of the following integers will be returned by strlen(name)?
A. 3.
B. 4.
C. 5.
D. 8.
Here is the prototype for a template function:
template
void func(Item x);
Which is the right way to call the func function with a double argument a?
A. func( a );
B. func
C. func
D. func(
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