Write a Java program to find the maximum and minimum elements in an array.

 public class MaxMinArray {

    public static void findMaxMin(int[] arr) {

        int min = arr[0];

        int max = arr[0];

        for (int i = 1; i < arr.length; i++) {

            if (arr[i] < min) {

                min = arr[i];

            }

            if (arr[i] > max) {

                max = arr[i];

            }

        }

        System.out.println("Minimum: " + min);

        System.out.println("Maximum: " + max);

    }

    public static void main(String[] args) {

        int[] numbers = {5, 2, 9, 1, 7};

        findMaxMin(numbers);

    }

}