Find the second max number in a given array.

Example

Given [1, 3, 2, 4], return 3.

Given [1, 2], return 1.

Notice : Attention corner case. Communicate with Interviewer.

public class Solution {    /**     * @param nums: An integer array.     * @return: The second max number in the array.     */    public int secondMax(int[] nums) {       int max = Math.max(nums[0],nums[1]);       int secondMax = Math.min(nums[0],nums[1]);       for (int i = 2; i < nums.length; i++) {               if (max <= nums[i]) {                   secondMax = max;                   max = Math.max(nums[i],max);               }       }       return secondMax;    }}