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How Can One Prove That The Array Is Not Null But Empty? |
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Answer» Print array.length. It will print 0. That MEANS it is empty. But if it would have been NULL then it would have THROWN a NullPointerException on ATTEMPTING to print array.length. Print array.length. It will print 0. That means it is empty. But if it would have been null then it would have thrown a NullPointerException on attempting to print array.length. |
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