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Which different between these two methods please?

 
Ranch Hand
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Which different between these two methods please?

 
Sheriff
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somarValores adds two numbers, like 1+2=3. soma performs a binary AND, like 0110 & 1100 = 0100 (see this).
 
Sheriff
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These are definitely not the same. For example, 1 + 1 == 2 while 1 & 1 == 1.
 
Sheriff
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...not to mention the return types.
 
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