FindMaxAndMinInArray

import java.util.Arrays;
import java.util.Scanner;

public class FindMaxAndMinInArray {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        System.out.print("Enter size of the array: ");
        int sizeOfArray = Integer.parseInt(scan.nextLine());

        // Validate input. Size of array cannot be negative or equal to 0!
        while (sizeOfArray <= 0) {
            System.out.println("Size must be greater than 0!");
            System.out.print("Enter size of the array: ");
            sizeOfArray = Integer.parseInt(scan.nextLine());
        }

        // Initialize array with size!
        int[] numArray = new int[sizeOfArray];

        int sum = 0;

        for (int i = 0; i < numArray.length; i++) {
            System.out.printf("Enter integer # %,d: ", i+1);
            // Store number entered into array
            numArray[i]= Integer.parseInt(scan.nextLine());
            sum += numArray[i]; // add numbers entered
        }
        System.out.println("\nSUM: " + sum);
        System.out.printf("AVERAGE: %,.2f\n", ((double)sum / numArray.length));

        // Without using if-else, just sort the Array from smallest to largest
        // to find max and min
        Arrays.sort(numArray);
        System.out.println("MAX: " + (numArray[numArray.length-1]));
        System.out.println("MIN: " + (numArray[0]));

        // Using if-else to find max and min
        int largestInArray= numArray[0];
        int smallestInArray = numArray[0];

        for (int element : numArray) {
            if (largestInArray < element) {
                largestInArray = element;
            }
            if (smallestInArray > element) {
                smallestInArray = element;
            }
        }

        System.out.println("\nMAX: " + largestInArray);
        System.out.println("MIN: " + smallestInArray);



    }
}