以下代码返回true,为什么?
var inputs = new object[]{null, 1};
var output = string.Join(",", inputs);
Console.WriteLine(output == "");//Prints True
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Output = ""但是下面的代码工作正常
var inputs = new object[]{"", null, 1};
var output = string.Join(",", inputs);
Console.WriteLine(output == "");//Prints False
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Output = ",,1"本机实现有什么问题吗?