Data Structure

A visually engaging illustration depicting arrays in various programming contexts, such as code snippets, diagrams showing array structures, and graphical representations of multi-dimensional arrays, with colors and a tech-themed background

Test Your Array Knowledge!

Welcome to the ultimate quiz on data structures, focusing specifically on arrays. This quiz consists of 10 multiple-choice questions designed to challenge your understanding of arrays and their intricacies.

Whether you're a student, a developer, or just someone looking to refresh your knowledge, this quiz will help you:

Learn about array initialization in different programming languages
Understand the advantages and disadvantages of using arrays
Test your knowledge through engaging questions

10 Questions2 MinutesCreated by CodingNinja42

Which of these best describes an array?

A data structure that shows a hierarchical behaviour

Container of objects of similar types

Arrays are immutable once initialised

Array is not a data structure

How do you initialize an array in C?

Int arr[3] = (1,2,3);

Int arr(3) = {1,2,3};

Int arr[3] = {1,2,3};

Int arr(3) = (1,2,3);

How do you instantiate an array in Java?

Int arr[] = new int(3);

Int arr[];

Int arr[] = new int[3];

Int arr() = new int(3);

Which of the following is a correct way to declare a multidimensional array in Java?

int[] arr;

Int arr[[]];

Int[][]arr;

Int[[]] arr;

When does the ArrayIndexOutOfBoundsException occur?

Compile-time

Run-time

Not an error

Not an exception at all

Which of the following concepts make extensive use of arrays?

Binary trees

Scheduling of processes

Caching

Spatial locality

What are the advantages of arrays?

Objects of mixed data types can be stored

Elements in an array cannot be sorted

Index of first element of an array is 1

Easier to store elements of same data type

What are the disadvantages of arrays?

Data structure like queue or stack cannot be implemented

There are chances of wastage of memory space if elements inserted in an array are lesser than the allocated size

Index value of an array can be negative

Elements are sequentially accessed

Assuming int is of 4bytes, what is the size of int arr[15];?

In general, the index of the first element in an array is __________

-1

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Data Structure

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