Functions.java

public class Functions {


    //The first rule of functions is that they should be small.
    // The second rule of functions is that they should be smaller than that.

    //Do One Thing
    //FUNCTIONS SHOULD DO ONE THING. THEY SHOULD DO IT WELL. THEY SHOULD DO IT ONLY.

    //One Level of Abstraction per Function
    //Mixing levels of abstraction within a function is always confusing.
    // Readers may not be able to tell whether a particular expression is an essential concept or a detail

    //Use Descriptive Names
    //Don’t be afraid to make a name long.
    // A long descriptive name is better than a short enigmatic name.
    // A long descriptive name is better than a long descriptive comment.

    //Prefer Exceptions to Returning Error Codes
}