/*
read array data from a file; call a method to handle array value
(find average, max)

*/

import java.util.Scanner;
class MaxAvgArrayDemo
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);

		double[] vals = new double[100];
		int size = 0;

		while(input.hasNextDouble())
		{
			vals[size] = input.nextDouble();
			size ++;
		}

		System.out.print("size = " + size + "\n\n");

		// invoke the method
		double avg = findAvg(vals, size);
		System.out.println("AVG = " + avg + "\n\n");

		// invoke the method
		double max = findMax(vals, size);
		System.out.println("MAX = " + max + "\n\n");


		// output all elements of the array to monitor
		outPutArray(vals, size);

		System.out.println("\n\n\n\n");
	}
	//------------------------------------
	// p.127
	public static double findAvg(double[] arr, int size)
	{
				double sum = 0;
				for(int i=0; i<size; i++)
				{
					sum += arr[i];
				}
				return sum/(double)size;
	}

	//-------------------------------------
	private static void outPutArray(double[] arr, int size)
	{
			for(int i=0; i<size; i++)
			{
				System.out.print(arr[i] + "   ");
			}
	}
	//-------------------------------------
	// p.128
	private static double findMax(double[] score, int size)
	{
	    double largest = score[0];
	    for(int i=1; i<size; i++)
	        if (largest < score[i])
				largest = score[i];
	    return largest;
	}
}