/**
 *
 * Exercise 8
 * Write a Java application to test the LinkedList class and
 * perform the following:
 * -Insert TEN (10) integers
 * -Calculate the sum
 * -Find the minimum and maximum.
 * -Compute the average.
 * -Count the number of odd and even integers.
 *
 * @author MUHAMMAD AZRI BIN JASNI @ ABDUL RANI
 * @version 10 OCTOBER 2012
 */
import java.util.*;
import java.text.DecimalFormat;
public class exercise8
{
    public static void main(String [] args)
    {
        //local declaration
        LinkedList list = new LinkedList();
        Scanner sc = new Scanner(System.in);
        DecimalFormat dc = new DecimalFormat("0.0000");
        int NoOfInt, sum=0, minimum, maximum, odd=0, even=0;
        double average;


        //Insert TEN (10) integers
        System.out.println("Enter the number of integers to be input.[E.g: 10]:");
        NoOfInt = sc.nextInt();

        System.out.println("Enter "+NoOfInt+" integers");
        for (int i=1; i<=NoOfInt; i++)
        {
            System.out.print(i+": ");
            list.insertAtBack(sc.nextInt());
        }
        System.out.print("\nList:"); list.display();//check list


        //math.hws.edu/javanotes/c9/s2.html
            Node temp = list.getFirst();
            minimum = maximum = temp.getData();
            while (temp != null)
            {
                int checkInt = temp.getData();

                sum += checkInt;//Calculate the sum
                if (checkInt>maximum)//Find the minimum and maximum.
                    maximum=checkInt;
                if (checkInt<minimum)
                    minimum=checkInt;
                //Count the number of odd and even integers.
                if (checkInt%2==0)
                    even++;
                else odd++;
                temp = temp.getLink();
            }
            System.out.println();
            average = sum *1.0 / list.size();//Compute the average.
        System.out.println("Sum of linked list element: "+sum);//display sum
        System.out.println("Minimum of linked list element: "+minimum);//display sum
        System.out.println("Maximum of linked list element: "+maximum);//display sum
        System.out.println("Average of linked list element: "+dc.format(average) );//display sum
        System.out.println("Number of Odd integers of linked list element: "+odd);//display sum
        System.out.println("Number of Even integers of linked list element: "+even);//display sum
        //closeScanner
        sc.close();
    }
}