My suggestion is to avoid using empty arrays as much as you can.
我的建议是尽可能地避免使用空数组。
Empty arrays should not be confused with NULL arrays or with arrays containing just NULL values.
不应将空阵列与NULL阵列或与只包含null值的阵列混为一谈。
When using arrays or array holders for primitive types, the Web service methods receive empty arrays from the Axis-based test client.
当数组或数组holders用于原语类型时，Web服务方法从基于Axis的测试客户机接收空数组。
Rails provides reasonable definitions of blank? For several other objects too: true, false, empty arrays or hashes, numeric types, and even the object class.
Rails同时为许多其他对象提供了合理的blank ？定义：true,false，空数组及哈希表，数值类型，甚至是Object类本身。
On the other hand, arrays allow you to process all your elements sequentially, and you can have empty elements of an array.
另一方面，数组让您能按顺序处理所有元素，而且可以在数组中拥有空元素。
Cannot store property values in file or repository if they are empty, null, arrays or objects.
如果属性值为空、为零、为数组或为对象，将无法在文件或知识库中存储属性值。
Cannot store property values in file or repository if they are empty, null, arrays or objects.
如果属性值为空、为零、为数组或为对象，将无法在文件或知识库中存储属性值。
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