Collections v1

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University

21 Qs

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Collections v1

Collections v1

Assessment

Quiz

Instructional Technology

University

Practice Problem

Medium

Created by

Kevin Tinsley

Used 4+ times

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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some of the data structures mentioned in Chapter 7 - Collections?

Arrays, Lists, and Sets

Graphs, Trees, and Hashmaps

Stacks, Queues, and Heaps

Linked Lists, Dictionaries, and Tuples

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Java API helps in working with data structures according to Chapter 7 - Collections by:

providing a set of interfaces and classes for storing and manipulating groups of data as a single unit

offering a graphical user interface for data manipulation

allowing direct access to memory for faster data processing

enabling the use of SQL queries directly on Java objects

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Chapter 7 - Collections, you will learn about:

Data Structures

Algorithms

Networking

Operating Systems

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A list is a sequential collection in which each element has a(n) ________.

integer index.

unique identifier.

random value.

fixed size.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which implementations does Java provide for a set?

A) HashMap and TreeMap

B) HashSet and TreeSet

C) LinkedHashMap and TreeMap

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The purpose of the add(Object) method in Java collections is to:

Add an element to the collection

Remove an element from the collection

Check if the collection is empty

Sort the elements in the collection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The 'contains' method in the provided Java code example is used to:

Check if a string contains a specified sequence of char values.

Add a new element to a collection.

Remove an element from a collection.

Compare two strings for equality.

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