Just wanted to clarify that the different Java compiler behaviors over instance variable vs local variable is not a result of inference, but as mandated by Java Spec.
Yes, that's why wrapped types (like Integer, Boolean) can be null. It is easy to make a mistake. I just wanted to show one way to get null pointer exception. There is lot of other cases also.
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Just wanted to clarify that the different Java compiler behaviors over instance variable vs local variable is not a result of inference, but as mandated by Java Spec.
Yes, that's why wrapped types (like Integer, Boolean) can be null. It is easy to make a mistake. I just wanted to show one way to get null pointer exception. There is lot of other cases also.