Find out max and min value in array

package maxArray;

public class ArrayMax {

public static void main(String[] args) {
    int[] arr = { 5, 12, 3, 19, 8 };
    int max = 0;
    for (int i = 0; i < arr.length; i++) {
        if (max < arr[i]) {
            max = arr[i];
        }
    }
    System.out.println(max);

}

}

public class Minimum {

public static void main(String[] args) {
    int[] arr = { 10, 20, 30, 40, 5 };
    int min = arr[0]; // correct initialization

    for (int i = 0; i < arr.length; i++) {
        if (arr[i] < min) {
            min = arr[i];
        }
    }

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

}