java - 获取indextOutOfBoundException

Question

Ifdsfafadsfasd 几个 fv afwqf adsfdfadfsafdsafewfdsfsdfdsfsfwefds safsda {fdsfasd

     int foundIndex = Collections.binarySearch(keys, key, 

     return foundIndex;
 }


 public int compareTo(K otherKey) 
 {
  int result = 0;
  for(int i = 0; i < keys.size(); i++)
  {
      result = ((Comparable<K>) keys.get(i)).compareTo(otherKey);
  }
  return result;
 }
}

失败的测试用例:

@Test(timeout=1000) public void faals_order1(){
    IMiniMap<String,Integer> map = new<String,Integer>();

    assertEquals(al("Luigi","Mario","Peach","Toad"),map.keys());
    assertEquals(al(2,1,3,4), map.values());
  }

Answer 1

您需要检查 indexOf 返回的值以确保找到该值。如果值不存在，indexOf 将返回 -1