The Complete Java Developer Course: From Beginner to Master - 2D Arrays (Side Topic)

The Complete Java Developer Course: From Beginner to Master - 2D Arrays (Side Topic)

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Wayground Content

FREE Resource

The video tutorial introduces 2D arrays, comparing them to matrices and tensors, and explains their practical application in Java. It covers creating, filling, and printing 2D arrays, and understanding their memory structure. A challenge is presented to double the values in a 2D array, reinforcing the concepts learned.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a 2D array often compared to in mathematics?

A matrix

A vector

A polynomial

A scalar

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are 2D arrays typically visualized?

As a single row of data

As a single column of data

As a list of numbers

As rows and columns

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Java, what does each element of a 2D array represent?

A string

A reference to another array

A single integer

A character

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the 'fill 2D array' method in the Java example?

To populate the array with random numbers

To sort the array

To delete elements from the array

To print the array

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the 'print 2D array' method in the Java example?

To create a new array

To display the array contents

To modify the array

To delete the array

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum number of dimensions allowed for an array in Java?

10

100

255

Unlimited

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a tensor in the context of multidimensional arrays?

A specific Java class

A generalization of a matrix

A type of 1D array

A sorting algorithm

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