Which is not a type of method parameter in C#?   a. output     b. reference     c. forensic     d. value

expert please answer in c++

Write java code for a calculator that calculates the Sum and Product of 2 numbers Program requirements: 1. Documentation 2. Write a method named userinput that asks users to input 2 integer numbers. >>Hint: Method with no parameters that returns 2 values. 3. Write a method named Calculator that calculates the Sum and Product of 2 numbers ->Hint: Method with 2 parameters that returns 2 values. 4. Write a method name Display that displays the Sum and Product of the 2 numbers >>Hint: Method with 2 parameters and no returns (void). 5. Use a do-while loop and ask the user to continue or not. 6. Your program output format must be exactly the following: ->Note: Include the output in your program. =>> Calculator Enter the first number: 100 Enter the second number: 200 Sum = 300 Product = 20000 Enter any number to continue or 0 to exit: 8 =>> Calculator Enter the first number: 6 Enter the second number: 9 Sum = 15 Product = 54 Enter any number to continue or 0 to exit: 0 ++++ End of the program…

QUESTION 14 The word void in a method header indicates the a. method name b. return type C. parameter list d. class type