How many constructors a class have?

July 9, 2021 in C and CPP

How many constructors a class have?

1.9 How many constructors a class have?
A) 0
B) 1
C) 2
D) any number

July 9, 2021 in C and CPP

Which of the following is an abstract function?

1.8 Which of the following is an abstract function?
A) virtual double getArea();
B) virtual double getArea() = 0;
C) double getArea() = 0;
D) double getArea();

July 9, 2021 in C and CPP

Suppose circle1 and circle2 are two Circle objects.

1.7 Suppose circle1 and circle2 are two Circle objects. What does the following statement do?
circle2 = circle1;
A) It copies the contents of circle1 to circle2
B) It makes circle2 and circle1 the same object
C) It copies the contents of circle2 to circle1
D) The statement is illegal

July 9, 2021 in C and CPP

Which of the following can not be overloaded?

1.6 Which of the following can not be overloaded?
A) new
B) delete
C) ?:
D) All of the above

July 9, 2021 in C and CPP

If changes made to the formal argument of a function are reflected in actual argument passed to the function it is referred as

1.5 If changes made to the formal argument of a function are reflected in actual argument
passed to the function it is referred as
A) function invocation
B) call by value
C) call by reference
D) call by name

July 9, 2021 in C and CPP

What is the value in count after the following loop is executed?

1.4 What is the value in count after the following loop is executed?
int count = 0;
do
{
cout << "Welcome to C++";
} while (count++ < 9);
cout << count;
A) 8
B) 9
C) 10
D) 11

July 9, 2021 in C and CPP

Which of the following is the correct expression that evaluates to true if the number x is between 1 and 100 or the number is negative?

1.3 Which of the following is the correct expression that evaluates to true if the number x is between 1 and 100 or the number is negative?
A) 1 < x < 100 && x < 0
B) ((x < 100) && (x > 1)) || (x < 0)
C) ((x < 100) && (x > 1)) && (x < 0)
D) (1 > x > 100) || (x < 0)

July 9, 2021 in C and CPP

A pointer can hold

1.2 A pointer can hold
A) The address of another variable
B) Stored value of the variable
C) Initialization of the variable
D) The address of the same variable

July 9, 2021 in C and CPP

The main function header can be written as

1.1 The main function header can be written as
A) public static void main(int argc, char* argv)
B) public int main(String[] args)
C) public static main(String[] args)
D) void main(int argc, char* argv[])

July 9, 2021 in C and CPP

Write short notes on any three:

9. Write short notes on any three:
a) Stream classes
b) Friend function
c) Exception handling
d) Multiple inheritance