Listed below are some desired effects. Indicate, by circling the appropriate cha

Question

Listed below are some desired effects. Indicate, by circling the appropriate character(s), whether each can be accomplished with overloaded functions (O) and/or a function with default arguments (D) and/or a function template (T) or none of them (N).

[ O D T N ] CalcMass(density, volume) returns the mass of an object having a density of density and a volume of volume, whereas CalcMass(density) returns the mass of an object having a density of density and a unit volume (1.0 cubic feet, say). All quantities are of type double.

[ O D T N ] Repeat(10, "Rats!") displays the string argument 10 times, whereas Repeat("Dang it!") displays the string argument 3 times.

[ O D T N ] CalcAvg(3, 6) returns the int average of two int arguments, whereas CalcAvg(3.0, 6.0) returns the double average of two double arguments.

[ O D T N ] SmartAssign("Excellent") returns the character 'E' or a pointer to the string "Excellent" depending on whether the return value is assigned to a char variable or to a pointer to char variable.

Explanation / Answer

CalcMass(density, volume) returns the mass of an object having a density of densityand a volume of volume, whereas CalcMass(density) returns the mass of an object having a density of density and a unit volume (1.0 cubic feet, say). All quantities are of type double.
====> Answer : D , As VOLUME can be default with value 1 so it can be default

[ O D T N ] Repeat(10, "Rats!") displays the string argument 10 times, whereas Repeat("Dang it!")displays the string argument 3 times.
====> Answer : N, none of Them

[ O D T N ] CalcAvg(3, 6) returns the int average of two int arguments, whereas CalcAvg(3.0, 6.0)returns the double average of two double arguments.
====> Answer : T , as data type is changed hence it can be accomplished with Templates

[ O D T N ] SmartAssign("Excellent") returns the character 'E' or a pointer to the string "Excellent"depending on whether the return value is assigned to a char variable or to a pointer to charvariable.
====> Answer : O, Overloaded function with same name and different return Type




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