Luyện thi THPT QG 2018
Consider Happen Erro
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Consider Happen Erro
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Unboxing Because a variable of type object can refer to a boxed copy of a value, it's only reasonable to allow you to get at that boxed value through the variable. You might expect to be able to access the boxed int value that a variable o refers to by using a simple assignment statement such as: int i = o; However, if you try this syntax, you'll get a compile time error. If you think about it, it's pretty sensible that you can't use the int i = o; syntax. After all, o could be referencing absolutely anything and...
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