package frequency;

import java.util.Scanner;
import java.util.Stack;

/*
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/**
 *
 * @author L13Y13W18
 */
public class FrequencyQualitative {
    private Stack<Integer> data = new Stack();
     int n=0;
     float sum = 0;
     float g = 0;
    public static void main(String[] args)
    {

    }

    public void add(int num)
    {
         data.push(num);
         setSum(num);
         n++;
    }

    public void setSum(int n)
    {
        sum+= n;
    }


    public void setMean(float s)
    {

        s = sum;
        g = s/n;

    }

    public float getMean()
    {
        setMean(sum);
        return g;
    }

    public float getMedian()
    {
        float median = 0;
        int[] score = new int[n];
        for(int i = 0;i<n;i++)
        {
            score[i] = data.pop();
        }
        for(int q = (score.length -1);q>= 0; q++)
        {
            for(int j = q; j<=1; j++)
            {
                if(score[j-1]>score[j])
                {
                    int temp = score[j-1];
                    score[j-1] = score[j];
                    score[j] = temp;
                }
            }
        }
        if(n%2!=0)
        {
            median = score[((n+1)/2)-1];

        }else
        {
            median = ((float)score[(n/2)-1]+score[(n/2)])/2;
        }
        return median;
    }


}