Question
What are the restrictions imposed on method overriding
Answers
- Overridden methods must have the same name, argument list and return type. - The overriding method can not limit the access of the method overriden.- The overriding method can not throw any exceptions that overridden method doesn’t throw.When should you use ArrayList and when should you use LinkedList?- If you need to support random access, without inserting or removing elements from anywhere other than the ends, then ArrayList is a better choice. - If you add and remove elements from the middle of the list frequently while accessing them sequentially, then LinkedList is better.   Your Comment




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