旋转数组的最小数字

import java.util.ArrayList;public class Solution {    public int minNumberInRotateArray(int [] array) {        if (array == null || array.length == 0) {            return 0;        }        int min = Integer.MAX_VALUE;        for (int i : array) {            if (i < min) {                min = i;            }        }        return min;    }}