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Core Java Interview Questions and Answers

Ques 196. What is the final keyword denotes?

Ans. final keyword denotes that it is the final implementation for that method or variable or class. You can't override that method/variable/class any more.

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Ques 197. What is the significance of ListIterator?
Ans. You can iterate back and forth.
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Ques 198. What is the major difference between LinkedList and ArrayList?
Ans. LinkedList are meant for sequential accessing. ArrayList are meant for random accessing.
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Ques 199. What is nested class?
Ans. If all the methods of a inner class is static then it is a nested class.
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Ques 200. What is inner class?
Ans. If the methods of the inner class can only be accessed via the instance of the inner class, then it is called inner class.
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