import java.util.Scanner;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

public class FancyNumberThing
{
    File file = new File("Numbers.txt");
    Scanner in = new Scanner(file);
    private ArrayList <Integer> longList;
    private ArrayList <Double> standardDev;
    private double average = 0;
    public FancyNumberThing()
    {
        longList = new ArrayList <Integer>();
        standardDev = new ArrayList <Double>();
           double avg = 0;
           double dev = 0;
           double mode = 0;
        while (in.hasNext())
        {

           longList.add(in.nextInt());


        }

    }

    public void average()
    {
        double avg = 0;
        long total = 0;
        for(int i = 0; i<(longList.size()-1);i++)
        {
            total += longList.get(i);
        }
        avg = (total)/(longList.size());
        System.out.println("The average is " + avg);
    }


    public void standardDeviation()
    {
        for(int j = 0; j < longList.size(); j++)
        {
            standardDev.add(  (Math.pow((standardDev.get(j)-average),2)));
        }
        long total = 0;
        for(int i = 0; i<(longList.size()-1);i++)
        {
            total += standardDev.get(i);
        }

        double root = Math.sqrt(total);
        System.out.println("The standard deviation is " + root);

    }


    public void getMode()
    {
        int mode = 0;
        int count = 0;
        for ( int i = 0; i< longList.size() ; i++ ){
            int x = longList.get(i);
            int tempCount = 1;
            for(int e : longList){
                int x2 = longList.get(e);
                if( x == x2)
                    tempCount++;
                if( tempCount > count){
                    count = tempCount;
                    mode = x;
                }
            }
        }

        System.out.println("The mode is " + mode);
    }
}