code: public static void selectSort(int[] arrays) {
          for (int i = 0; i < arrays.length; i++) {
              int lowIndex = i;
              for (int j = i + 1; j < arrays.length; j++) {
                  if (arrays[j] < arrays[lowIndex]) {
                      lowIndex = j;
                  }
              }
              if (lowIndex != i) {
                  switchNumber(arrays, i, lowIndex);
              }
          }
      }
docs: 选择排序
  
  @param arrays 数组