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Design an OOP solution with reusable code

Johnson Bill

Johnson Bill

2y
537
1

Hi,

I'd like to designe an OOP solution in C# that does the following:

1. counts occurences of a specific letter in a string.  e.g ('l',"Hello world") => 3
2. counts occurences of a specific digit in a number e.g. (2,2546522772) => 4
3. Adds two numbers together. e.g (2,5) => 7

How would you design the program ?

I'm NOT interested in code for the 3 functions, I am more interested in a good Object Oriented program design.

Thank you.

 

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