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So I should figure out the type of the argument first and change it accordingly and work on it? because, for example, if the client passes it with an integer, i don't want to change it to anything...

From what I understand, I have to import the Number library using "import java.lang.Number;" and then 'convert' the arguments of my method to primitive values?
How would I know if it's an integer...

Hello guys
I'm a Java beginner. I just learned class access controls and whatnot, and I wanted to make a class that I called "Calculus" that has different methods for calculus (addition,...