冒泡排序法

public static void main(String[] args) {
    int[] ints = {1, 5, 2, 6, 8, 4};
    for (int i = 0; i < ints.length; i++) {
      for (int j = 0; j < ints.length - i - 1; j++) {
        if (ints[j] > ints[j + 1]) {
          int temp = ints[j];
          ints[j] = ints[j + 1];
          ints[j + 1] = temp;
        }
      }
    }
    System.out.println(Arrays.toString(ints));
  }

public static void main(String[] args) {
    int[] ints = {11, 5, 2, 6, 8, 4};
    for (int i = 0; i < ints.length; i++) {
      Boolean swap = true;
      for (int j = 0; j < ints.length - i - 1; j++) {
        if (ints[j] > ints[j + 1]) {
          int temp = ints[j];
          ints[j] = ints[j + 1];
          ints[j + 1] = temp;
          swap = false;
        }
      }
      if (swap) {
        break;
      }
    }
    System.out.println(Arrays.toString(ints));
  }