public class Test {

    static int HowManyDigitsAfterF(float Number){

        String floating = String.valueOf(Number);

        String[] y_split = floating.split("\\.");
        int number;

        System.out.println(y_split[1]);
        if (y_split[1].equals("0")){
            number = 0;
        }
        else{
            number = y_split[1].length();
        }
        return number;
    }

    public static short CharacterCounterD(char s[], char c){
        short count = 0;
        try{
            String someString = null;
            for(int i = 0; i < s.length-1; i++){
                String characters = Character.toString(s[i]);

                someString += characters;
            }

            for (int i = 0; i < someString.length(); i++)

            {

                if (someString.charAt(i) == c) {

                    count++;

                }

            }

        }
        catch(Exception e){
            count = -4;
        }
        return count;
    }

    public static String FiveDecimalPlaces(float Number){
        String strDouble = String.format("%.5f", Number);
        return strDouble;
    }

    public static short DaysInAMonthD(short Month){
        short days = 0;

        if(Month < 1 || Month > 12) {
            days = -4;
        }

        else{
            if (Month <= 7){

                if(Month%2 == 0){
                    days = 30;
                }

                else{
                    days = 31;
                }

                if (Month == 2){
                    days = 29;
                }

                if (Month == 7){
                    days = 31;
                }
            }
            else if (Month >= 8){

                if (Month == 2){
                    days = 29;
                }

                if(Month%2 == 0){
                    days = 31;
                }

                else{
                    days = 30;
                }
            }
        }
        return days;

    }

    public static short FactorialD(short Number){
        short i,fact=1;

        if(Number < 0){
            fact = -4;
        }
        //It is the number to calculate factorial
        else{
            for(i=1;i<=Number;i++){
                fact=(short) (fact*i);
            }
        }
        return fact;
    }






}