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Questions Tagged "Java"
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11. Which collection maintains an ordered collection and permits duplicate elements?
12. Which collection implementation internally uses a dynamic array?
13. Which implementation is based internally on a doubly linked list?
14. Which interface is implemented by `LinkedList` that allows it to function as a queue/deque?
15. What is the main purpose of a marker interface?
16. Which access modifier provides the widest accessibility?
17. Which access modifier restricts access to within the declaring class?
18. Which keyword is used to explicitly throw an exception?
19. Which keyword is used to declare that a method may produce an exception?
20. Which block is primarily intended for cleanup operations such as closing files or connections?
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