Partition Array by Odd and Even

Partition an integers array into odd number first and even number second.

Have you met this question in a real interview? 

Yes

Example

Given [1, 2, 3, 4], return [1, 3, 2, 4]

Challenge

Do it in-place.

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public class Solution {
    /**
     * @param nums: an array of integers
     * @return: nothing
     */
    public void partitionArray(int[] nums) {
        // write your code here;
        if(nums == null || nums.length == 0) return;
       
        int left = 0, right = nums.length - 1;
        while(left < right){
            while(left < right && nums[left] % 2 == 1) left++;
            while(left < right && nums[right] % 2 == 0) right--;
            if(left < right){
                int temp = nums[left];
                nums[left] = nums[right];
                nums[right] = temp;
                left++;
                right--;
            }
           
        }
    }
}