{ "data": { "question": { "questionId": "2805", "questionFrontendId": "2695", "categoryTitle": "JavaScript", "boundTopicId": 2275511, "title": "Array Wrapper", "titleSlug": "array-wrapper", "content": "

Create a class ArrayWrapper that accepts an array of integers in its constructor. This class should have two features:

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Example 1:

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\nInput: nums = [[1,2],[3,4]], operation = "Add"\nOutput: 10\nExplanation:\nconst obj1 = new ArrayWrapper([1,2]);\nconst obj2 = new ArrayWrapper([3,4]);\nobj1 + obj2; // 10\n
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Example 2:

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\nInput: nums = [[23,98,42,70]], operation = "String"\nOutput: "[23,98,42,70]"\nExplanation:\nconst obj = new ArrayWrapper([23,98,42,70]);\nString(obj); // "[23,98,42,70]"\n
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Example 3:

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\nInput: nums = [[],[]], operation = "Add"\nOutput: 0\nExplanation:\nconst obj1 = new ArrayWrapper([]);\nconst obj2 = new ArrayWrapper([]);\nobj1 + obj2; // 0\n
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Constraints:

\n\n\n", "translatedTitle": "包装数组", "translatedContent": "

创建一个名为 ArrayWrapper 的类，它在其构造函数中接受一个整数数组作为参数。该类应具有以下两个特性：

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示例 1：

\n\n
\n输入：nums = [[1,2],[3,4]], operation = \"Add\"\n输出：10\n解释：\nconst obj1 = new ArrayWrapper([1,2]);\nconst obj2 = new ArrayWrapper([3,4]);\nobj1 + obj2; // 10\n
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示例 2：

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\n输入：nums = [[23,98,42,70]], operation = \"String\"\n输出：\"[23,98,42,70]\"\n解释：\nconst obj = new ArrayWrapper([23,98,42,70]);\nString(obj); // \"[23,98,42,70]\"\n
\n\n

示例 3：

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\n输入：nums = [[],[]], operation = \"Add\"\n输出：0\n解释：\nconst obj1 = new ArrayWrapper([]);\nconst obj2 = new ArrayWrapper([]);\nobj1 + obj2; // 0\n
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提示：

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