ISRO2017-42

Question

Which of the following operator(s) cannot be overloaded?

• A. .(member Access or Dot operator)
• B. ?: (ternary or Conditional Operator)
• C. :: ( Scope Resolution Operator)
• D. All of the above

Answer 1

Operators which cannot be overloaded[edit]

• ?: (conditional)
• . (member selection)
• .* (member selection with pointer-to-member)
• :: (scope resolution)
• sizeof (object size information)
• typeid (object type information)

ref: https://en.wikibooks.org/wiki/C%2B%2B_Programming/Operators/Operator_Overloading

Ans: D

Answer 2

All ternary operators can't be overloaded so ans is option D.

http://www.geeksforgeeks.org/g-fact-14/

Answer 3

List of operators that cannot be overloaded

1. Scope resolution operator   (::)   
2. Pointer-to-member Operator (.*)   
3. Member Access or Dot operator  (.)   
4. Ternary or Conditional Operator  (?:)
5. Object size Operator   (sizeof)
6. Object type Operator   (typeid)

option D