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08-07-2009, 01:21 AM
What are your opinions on it? I found it quite annoying when i was working with a hash map returning an int, and the int was throwing a null pointer exception, even though it wasn't an object and wasn't nullAlso, you could be doing it without realizing it. There should be a warning for it lmao.
An int doesn't implement the hashCode() method... because it's not an object...Originally Posted by Java`
What are your opinions on it? I found it quite annoying when i was working with a hash map returning an int, and the int was throwing a null pointer exception, even though it wasn't an object and wasn't null
I was using something like this:
int i = map<String, Integer>.get(key);
and i diddnt realize it was autoboxing.
a primitive value type does not have .hashCode, which the hashmap uses to distribute indiciesWhat are your opinions on it? I found it quite annoying when i was working with a hash map returning an int, and the int was throwing a null pointer exception, even though it wasn't an object and wasn't null
Google autoboxing.
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