Single-dimensional array declaration in C Sharp (C#) - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an integer array named numbers with 5 elements.

C Sharp (C#)

int[] numbers = new int[[1]];

Drag options to blanks, or click blank then click option'

A3

B5

C7

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong number for the array size.

Forgetting to specify the size in the brackets.

The code declares an integer array with 5 elements using new int[5].

2fill in blank

medium

Complete the code to declare a string array named fruits with 4 elements.

C Sharp (C#)

string[] fruits = new string[[1]];

Drag options to blanks, or click blank then click option'

A4

B2

C6

D8

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing a wrong size number.

Not matching the array size with the intended number of elements.

The array fruits is declared with 4 elements using new string[4].

3fill in blank

hard

Fix the error in the code to declare a double array named values with 3 elements.

C Sharp (C#)

double[] values = new double[[1]];

Drag options to blanks, or click blank then click option'

A3

B0

C5

D-1

Attempts:

3 left

💡 Hint

Common Mistakes

Using zero or negative numbers for array size.

Using a size different from the intended number of elements.

The array values must have 3 elements, so the size should be 3.

4fill in blank

hard

Fill both blanks to declare a char array named letters with 6 elements and initialize it with default values.

C Sharp (C#)

char[] letters = new char[[1]] [2];

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A6

B{}

C[]

D()

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong brackets for initialization.

Not specifying the correct array size.

The array letters is declared with 6 elements and initialized with empty braces {} to set default values.

5fill in blank

hard

Complete the code to declare a boolean array named flags with 4 elements and initialize all elements to false.

C Sharp (C#)

bool[] flags = new bool[[1]] { };

Drag options to blanks, or click blank then click option'

A4

B{

Cfalse, false, false, false

D}

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to close the braces.

Not matching the number of values with the array size.

The array flags is declared with 4 elements and initialized with all elements set to false using braces and values.