public static void addNum(final ArrayList<Double> myAList, final Scanner kb)
{
    //Prompt user for a number 0-100
    if(!(kb == null || myAList == null))
    {
        System.out.println("Please enter a number between (0 - 100): ");
        double number = kb.nextDouble();
        kb.nextLine();
        while(number < 0 || number > 100)
        {
            System.out.println("That was not a qualified number, try again");
            number = kb.nextDouble();
            kb.nextLine();
        }

        for(int x = 0; x < myAList.size() - 1; x++);
        {
            myAList.add(number);
        }
    }
    myAList.trimToSize();
}