In my code there are a lot of final values, like 10000. They never change, i do nothing with them, just sometimes checks like if(number1 == number2)
.
Is it better to use int
or Integer
for such numbers?
In your case, use int
.
In a general case, if you're in the situation where you could feasibly use either the primitive value is almost always preferred:
Integer
type - you'd have to use .equals()
to ensure you were getting what you wanted. See here for more details.Memory requirements are a lot less of an issue these days, but the big gotcha is the second one, which can cause the potential for a lot of bugs if you're not aware of it (especially since there's cases where ==
will work as you expect, and others where it won't - it's not a "reliable" bug in that sense.)
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