Recent questions tagged util

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Q: Explain Set has contains(Object o) method.

Set has contains(Object o) method. (a) True (b) False The question was posed to me by my school ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain What is the difference between TreeSet and SortedSet?

What is the difference between TreeSet and SortedSet? (a) TreeSet is more efficient than SortedSet (b) SortedSet ... Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain What happens if two threads simultaneously modify TreeSet?

What happens if two threads simultaneously modify TreeSet? (a) ConcurrentModificationException is thrown (b) Both threads ... of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these standard collection classes implements a linked list data structure?

Which of these standard collection classes implements a linked list data structure? (a) AbstractList (b) LinkedList ... of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these classes implements Set interface?

Which of these classes implements Set interface? (a) ArrayList (b) HashSet (c) LinkedList (d) DynamicList I ... Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these method is used to add an element to the start of a LinkedList object?

Which of these method is used to add an element to the start of a LinkedList object? (a) add() (b ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these method of HashSet class is used to add elements to its object?

Which of these method of HashSet class is used to add elements to its object? (a) add() (b) Add() ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these methods can be used to delete the last element in a LinkedList object?

Which of these methods can be used to delete the last element in a LinkedList object? (a) remove() (b ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of this method is used to change an element in a LinkedList Object?

Which of this method is used to change an element in a LinkedList Object? (a) change() (b) set() ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these object stores association between keys and values?

Which of these object stores association between keys and values? (a) Hash table (b) Map (c) Array (d ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance