II ECM_Quiz 1

Which keyword is used to perform operator overloading in C++?

• a) overload

• b) operator

• c) override

• d) overloading

Which of the following operators cannot be overloaded in C++?

• a) =

• b) +

• c) &

• d) *

What is the purpose of operator overloading in C++?

• a) To create new operators

• b) To change the behavior of existing operators

• c) To increase code complexity

• d) To improve program performance

1. Which of the following is not a valid return type for an overloaded operator function?

• 1. a) void

• 1. b) int

• c) float

• d) bool

1. Which operator is used to overload the addition operation in C++?

• 1. a) +

• 1. b) +=

• 1. c) =

• 1. d) &

1. Which of the following is the correct syntax to overload the << operator for output?

• 1. a) ostream& operator<<(ostream& os, const MyClass& obj)

• 1. b) ostream operator<<(ostream os, const MyClass& obj)

• 1. c) void operator<<(ostream& os, const MyClass& obj)

• 1. d) MyClass& operator<<(ostream& os, const MyClass& obj)

1. Which of the following is not a unary operator?

• 1. a) +

• 1. b) -

• 1. c) *

• 1. d) /

1. Which operator is used to overload the array subscript operator in C++?

• 1. a) []

• 1. b) ()

• 1. c) ->

• 1. d) *

1. Which of the following is the correct syntax to overload the assignment operator in C++?

• 1. a) void operator=(const MyClass& obj)

• 1. b) MyClass operator=(const MyClass& obj)

• 1. c) MyClass& operator=(const MyClass& obj)

• 1. d) int operator=(const MyClass& obj)

1. Which of the following is not a valid parameter for an overloaded operator function?

• 1. a) int

• 1. b) float

• 1. c) char

• 1. d) string