Hugo Kornelis (3/25/2010)

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Good question, but unfortunately the explanation is not entirely correct. Especially this part is very misleading:

As you have seen, there is no leading space to be considered anywhere. However, even if there was, the words "is not considered" is misleading. I think we would all agree that converting the values '5', ' 5' and ' 5 ' to integer should all result in the value 5 - not because we expect the leading and trailing spaces to be "not considered", but because considering them or not is irrelevant, as they have no impact on the interpretation of the string as a number.