对奇偶下标分别排序

import java.util.Arrays;
import java.util.Collections;

/**
 * @author yagol
 * @date 上午10:30
 * @desc the description of this class
 **/
class Solution6000 {
    public static void main(String[] args) {
        System.out.println(Arrays.toString(new Solution6000().sortEvenOdd(
                new int[]{4, 1, 2, 3, 6}
        )));
    }

    public int[] sortEvenOdd(int[] nums) {
        int[] temp1 = new int[nums.length - nums.length / 2];
        int[] temp2 = new int[nums.length/ 2];
        int indexone = 0;
        int indexsecond = 0;
        for (int i = 0; i < nums.length; i++) {
            if (i % 2 == 0) {
                temp1[indexone] = nums[i];
                indexone++;
            } else {
                temp2[indexsecond] = nums[i];
                indexsecond++;
            }
        }
        Arrays.sort(temp1);
        Arrays.sort(temp2);
        int[] res = new int[nums.length];
        int index1 = 0;
        int index2 = 0;
        for (int i = 0; i < res.length; i++) {
            if (i % 2 == 0) {
                res[i] = temp1[index1];
                index1++;
            } else {
                res[i] = temp2[temp2.length - 1 - index2];
                index2++;
            }
        }
        return res;
    }
}