Collections MQC

Collections MQC

Professional Development

10 Qs

quiz-placeholder

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Collections MQC

Collections MQC

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

RAVIKANTH K

Used 2+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a part of the Java Collections Framework?

ArrayList

Array

int[]

String

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which collection does not allow duplicate elements?

List

Set

Map

All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which collection allows you to retrieve elements in the order they were inserted?

HashSet

Map

LinkedList

PriorityQueue

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the implementation of the List interface?

HashMap

HashSet

LinkedList

LinkedHashSet

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which collection class is synchronized?

HashSet

TreeSet

HashMap

None

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following collections is thread-safe?

Vector

ArrayList

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which collection are elements stored as key-value pairs?

List

Set

Map

Queue

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