线性表如何使奇数位于偶数前面

package day02;

import java.util.Arrays;

/**
 * @Author yqq
 * @Date 2022/05/01 09:59
 * @Version 1.0
 */
public class Array03 {
    public static void main(String[] args) {
        int[] arr = {1,2,3,4,5,6,7,8,9};
        OldBeforeEvent(arr);
        System.out.println(Arrays.toString(arr));
    }
    public static void OldBeforeEvent(int[] arr){
        if (arr.length == 0 || arr == null){
            return;
        }
        int min = 0,max = arr.length-1;
       while (min < max){
           while (min <max && arr[min] % 2 != 0)
               min ++;
           while (min < max && arr[max] % 2 == 0)
               max --;
           if (min != max){
               int temp = arr[min];
               arr[min] = arr[max];
               arr[max] = temp;
           }
       }
    }
}