// Name : Matthew Reeves 
// This is a program to review basic Java functions

import java.util.Scanner;

public class SimpleList
{
	Scanner input=new Scanner (System.in);		

	final private int ARRAY_LENGTH=10; //initializing variables
	private int Count;
	private float Sum; 		
	private float Average;
	private float Large;		
	private float Small;
	private float List[];

	public SimpleList() //Constructor
	{
		System.out.println("\nWelcome to the SimpleList class!");
		Sum=0;
		List=new float[ARRAY_LENGTH];
	}		

	public void getData() //method to determine number of inputs, and fill array with values
	{
		
		do //allows user to decide how many values in the array
		{
			System.out.print("\nPlease enter the number of values you would like to input (between 1 and 10): ");
			Count = input.nextInt();

			System.out.println("");		
			
			if (Count<1 || Count>ARRAY_LENGTH) //data validation for value of Count
			{
				System.out.println("I'm sorry, the total number of values MUST be between 1 and 10 inclusive.");
			}
					
		}while(Count<1 || Count>ARRAY_LENGTH);
		
		for (int tally=0;tally<Count;tally++) //loop to prompt for inputs, and fill array with them
		{
			System.out.printf("Please enter value #%d: ", tally+1);
			List[tally]=input.nextFloat();
		}
	}
	
	public void processData() //method to calculate sum, avg and largest/smallest of values entered
	{
		
		for (int tally=0;tally<Count;tally++) //loop to calculate sum
		{
			Sum+=List[tally];
		}
			
		Average=Sum/Count; //calculates the average value
			
		Small=List[0];
		Large=List[0];

		for (int tally=1;tally<Count;tally++) //loop to determine largest/smallest values
		{
			if (List[tally]<Small)
			{
				Small=List[tally];
			}
				
			if (List[tally]>Large)
			{
				Large=List[tally];
			}
		}
	}
	
	public void displayResults() //method to print to screen values of array, and results of process data method
	{

		System.out.println("");		
		for (int tally=0;tally<Count;tally++) //loop to print array values
		{
			System.out.printf("Value #%d: %f \n", tally+1, List[tally]);
		}
			
		System.out.printf("\nThe sum of all values = %f\n", Sum);			
		System.out.printf("The average of all values = %f\n", Average);			
		System.out.printf("The Largest value = %f\n", Large);			
		System.out.printf("The smallest value = %f\n\n", Small);			
	}	
}