What will be the initial value of an object reference which is defined as an instance variable?

Q

What will be the initial value of an object reference which is defined as an instance variable?

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A

The object references are all initialized to null in Java. However in order to do anything useful with these references, you must set them to a valid object, else you will get NullPointerExceptions everywhere you try to use such default initialized references.

2013-06-28, 2059👍, 0💬