Operator Overloading MCQ

Test your knowledge with important Operator Overloading MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Operator Overloading MCQs at Bissoy

• Which function overloads the // operator?
  ক

  __div__()

  খ

  __ceildiv__()

  গ

  __floordiv__()

  ঘ

  __truediv__()
• Which operator is overloaded by the __or__() function?
  ক

  ||

  খ

  |

  গ

  //

  ঘ

  /
• Let A and B be objects of class Foo. Which functions are called when print(A + B) is executed?
  ক

  __add__(), __str__()

  খ

  __str__(), __add__()

  গ

  __sum__(), __str__()

  ঘ

  __str__(), __sum__()
• Which function overloads the >> operator?
  ক

  __more__()

  খ

  __gt__()

  গ

  __ge__()

  ঘ

  none of the mentioned
• Which operator is overloaded by __lg__()?
  ক

  <

  খ

  >

  গ

  !=

  ঘ

  none of the mentioned
• Which function overloads the == operator?
  ক

  __eq__()

  খ

  __equ__()

  গ

  __isequal__()

  ঘ

  none of the mentioned
• Which operator is overloaded by __invert__()?
  ক

  !

  খ

  ~

  গ

  ^

  ঘ

  –
• Which function overloads the + operator?
  ক

  __add__()

  খ

  __plus__()

  গ

  __sum__()

  ঘ

  none of the mentioned
• Pick the incorrect statements out of the following.
  ক

  Operator overloading does not disturbs the precedence of operators

  খ

  Arity of operators can be changed using operator overloading

  গ

  No new operators can be created

  ঘ

  All of the mentioned
• Which is the correct statement about operator overloading?
  ক

  Only arithmetic operators can be overloaded

  খ

  Only non-arithmetic operators can be overloaded

  গ

  Precedence of operators are changed after overlaoding

  ঘ

  Associativity and precedence of operators does not change
• Which is called ternary operator?
  ক

  ?:

  খ

  &&

  গ

  |||

  ঘ

  ===
• Which is the correct example of a unary operator?
  ক

  &

  খ

  ==

  গ

  —

  ঘ

  /
• Which is the correct example of a binary operator?
  ক

  ++

  খ

  —

  গ

  Dereferencing operator(*)

  ঘ

  +
• What is a binary operator?
  ক

  Operator that performs its action on a single operand

  খ

  Operator that performs its action on two operand

  গ

  Operator that performs its action on three operand

  ঘ

  Operator that performs its action on any number of operands
• In the case of friend operator overloaded functions how many maximum object arguments a binary operator overloaded function can take?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0
• In the case of friend operator overloaded functions how many maximum object arguments a unary operator overloaded function can take?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0
• In case of non-static member functions how many maximum object arguments a binary operator overloaded function can take?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0
• In case of non-static member functions how many maximum object arguments a unary operator overloaded function can take?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  0
• Which of the following operator cannot be used to overload when that function is declared as friend function?
  ক

  -=

  খ

  ||

  গ

  ==

  ঘ

  [
• Which of the following operator can be overloaded?
  ক

  ?:

  খ

  ::

  গ

  .

  ঘ

  ==
• Which of the following operator cannot be overloaded?
  ক

  +

  খ

  ?:

  গ

  –

  ঘ

  %
• How many approaches are used for operator overloading?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• What is operator overloading in C++?
  ক

  Overriding the operator meaning by the user defined meaning for user defined data type

  খ

  Redefining the way operator works for user defined types

  গ

  Ability to provide the operators with some special meaning for user defined data type

  ঘ

  All of the mentioned