public class MainClass public static void main String args throws IOEx

public class MainClass {
    public static void main(String[] args) throws IOException {
            int[] arr = {14,28,6,72};
            int n = arr.length;
            int max = findMax(arr, n-1);
            System.out.println(max);
        }
    public static int findMax(int[] array, int n) {
        int max=array[0];
        if (n>0) max=findMax(array, n-1);
        if (array[n]<max) return max;
        else return array[n];
    }
}