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。
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