Which of the following operator functions cannot be global?

Related Questions

• Which of the following is true about constructors? 1) They cannot be virtual. 2) They cannot be private. 3) They are automatically called by new operator.
• Which of the following operators are overloaded by default by the compiler in every user defined classes even if user has not written? 1) Comparison Operator (==) 2) Assignment Operator (=)
• Choose the operator which cannot be overloaded.
• Which of the following is true about pure virtual functions? 1) Their implementation is not provided in a class where they are declared. 2) If a class has a pure virtual function, then the class becomes abstract class and an instance of this class cannot be created.
• Which of the following is true about new when compared with malloc: 1) new is an operator, malloc is a function 2) new calls constructor, malloc doesn’t 3) new returns appropriate pointer, malloc returns void * and pointer needs to typecast to appropriate type.
• Which of the following operators should be preferred to overload as a global function rather than a member method?
• Which operator is having the highest precedence?
• Which operator is required to be overloaded as member function only?
• Which of the following functions must use reference?
• Which of the following is true about virtual functions in C++?