In the case of friend operator overloaded functions how many maximum object arguments a unary operator overloaded function can take?a.1b.0c.3d.2

Break Down the Problem

1. Identify the nature of unary operators: Unary operators operate on a single operand.
2. Understand operator overloading: In object-oriented programming, operator overloading allows the redefinition of how operators work with user-defined types (e.g., classes).

Relevant Concepts

1. Unary Operator: A unary operator only requires one operand to function.
2. Operator Overloading in C++: When overloading a unary operator, the function typically has one parameter (the operand).

Analysis and Detail

1. Unary Operator Function Signature: The signature of a unary operator overload generally looks like ReturnType operator++(); for a prefix increment operator, which takes no additional arguments except the implicit pointer to the object itself.
2. Argument Count: Since unary operators only act upon one object, they cannot take more than one object as an argument.

Verify and Summarize

1. Conclusion: Since unary operators require only a single operand, the maximum number of object arguments a unary operator overloaded function can take is 1.

Final Answer

1.