Source Files, Classes and Operator Overloading in C++ Quiz 3
1 / 52
How many types of constructors are there in C++?
2 / 52
What is string objects in C++?
3 / 52
Pick out the correct statement.
4 / 52
What is the role of destructors in Classes?
5 / 52
Which is used to do the dereferencing?
6 / 52
What is the use of function call operator?
7 / 52
What is the role of a constructor in classes?
8 / 52
What is the header file for the string class?
9 / 52
Which function is used to get the length of a string object?
10 / 52
Which of the following is not a modifier function in string class?
11 / 52
12 / 52
Which is used to return the number of characters in the string?
13 / 52
Why constructors are efficient instead of a function init() defined by the user to initialize the data members of an object?
14 / 52
How many types are there in increment/decrement operator?
15 / 52
How many Destructors are allowed in a Class?
16 / 52
17 / 52
How destructor overloading is done?
18 / 52
What is a copy constructor?
19 / 52
20 / 52
When a copy constructor is called?
21 / 52
Which concepts does the Pre Increment use?
22 / 52
How many types of representation are in the string?
23 / 52
How constructors are different from other member functions of the class?
24 / 52
Pick the incorrect statement about Character-Array.
25 / 52
What will happen when the function call operator is overloaded?
26 / 52
How many arguments will the subscript operator will take for overloading?
27 / 52
How many parameters does a default constructor require?
28 / 52
29 / 52
What is the identifier given to string class to declare string objects?
30 / 52
When destructors are called?
31 / 52
What is the use of functor?
32 / 52
What is the difference between constructors and destructors?
33 / 52
In which form does the function call operator can be overloaded?
34 / 52
35 / 52
What do we need to use when we have multiple subscripts?
36 / 52
What happens if a user forgets to define a constructor inside a class?
37 / 52
Pick out the correct option.
38 / 52
What does the dereference operator will return?
39 / 52
Which header file is used to include the string object functions in C++?
40 / 52
What is syntax of defining a destructor of class A?
41 / 52
Which method do we use to append more than one character at a time?
42 / 52
Which operator works only with integer variables?
43 / 52
Which of the following is correct?
44 / 52
45 / 52
46 / 52
Pick the correct statement about string objects in C++.
47 / 52
What is Character-Array?
48 / 52
49 / 52
50 / 52
Which of the following constructors are provided by the C++ compiler if not defined in a class?
51 / 52
What do we need to do to pointer for overloading the subscript operator?
52 / 52
Which is used to tell the computer that where a pointer is pointing to?
Provide Your Information
Your score is
The average score is 0%
Restart quiz