public class Main {    public static void main(String[] args) {        int[] array = {1, 3, 5, 6, 3, 5, 3, 8};        System.out.println(findMaxValue(array));    }    private static int findMaxValue(int[] array) {        if(array.length <= 0 || array == null) {            return -1;        }        return findMaxValue(array, 0);            }    private static int findMaxValue(int[] array, int start) {        int len = array.length - start;        if( len == 1) {            return array[start];        } else {            return Math.max(array[start], findMaxValue(array, start+1));        }    }}

#include<iostream>#include<cmath>using namespace std;int maxnum(int array[], int n){    if(n == 1)    {        return array[0];    }     else     {        return max(array[0], maxnum(array+1,n-1));    }}int main() {    int num[10] = {0,1,2,3,4,5,6,7,8,9};      cout<<maxnum(num,10)<<endl;      return 0;  }