i 认为自己没有什么问题,但并不肯定,因为它要么错,要么错。 净额是错误的,通常不是.Net :
但在我的测试中,我这样做了:
DateTime.DaysInMonth(2000,2)
它返回了29个国家。
但是,只要知道400年(10 400,800,1200年等),就不是几年了?
。 NET是正确的:通过100可以划分的年份为t leap年,除非这些年限在400上也能区分。
What is the use of default keyword in C#? Is it introduced in C# 3.0 ?
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