Recently I was assigned a task of creating a calculator with functions addition,
ID: 659043 • Letter: R
Question
Recently I was assigned a task of creating a calculator with functions addition, subtraction, multiplication, division and power using Object Oriented Programming. I successfully completed this task. However afterwards I reprogrammed the whole program without using Object Oriented technique/method.
The thing I noticed that my code length was reduced quite significantly and it was quite understandable. So my question here is when should I use Object Oriented Programming? Is it okay to create programs without Object Orientation in Object Oriented Language? Kindly help me out on this one.
PS: I am not asking here to tell me merits of Object Oriented Programming over procedural programming.
Explanation / Answer
C++ is not "just" an OO language, it is a multi-paradigm language. So it allows you to decide for or against OO programming, or to mix them both. Using OO techniques adds more structure to your program - from which you will benefit when your program reaches a certain size or complexity. This additional structure, however, comes for the price of additional lines of code. So for "small" programs the best way to go is often to implement them in a non-OO style first, and add more and more OO techniques later when the program starts to grow over the years (which will probably not happen to "exercise" programs, but is the typical life cycle for lots of business programs).
The tricky part is not to miss the point in time when the complexity of your program reaches the size which demands more structure. Otherwise you will end up with a huge pile of spaghetti code.
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