Articles Posted in the " functions " Category

  • Java Tutorial #8-1 / 8-2 — Using math functions with if logic

    Apologies about this being a two-part video, AND for my mic volume being weird, in future videos this is fixed. I’ll consider re-recording this later


    Topics Discussed: Using math functions with if-based logic to choose the output of a program

    Source Code Available Here

    8-2 Here


    Topics discussed: Same as above

    Source Code Available Here

    In these videos I talk a little bit about java.lang.Math; An include that allows us to do some simple mathematical calculations in our code in conjunction with the if-statements we’ve been talking about.


    java.lang.Math functions

    There are a LOT of different constructs in the java.lang.Math library, but the ones we use in this lesson seem to be the most common of them. Raising a number to a power, and taking the square root of a number. The code for each of these is as follows: (assuming you have the import in your code)

    
    Math.pow(numberOrVariable, powerRaisingTo);
    Example:
    Math.pow(x, 3); // raises x to the 3rd power.
    
    Math.sqrt(x); //Takes the square root of x.