One-dimensional arrays in Java - Interactive Code Practice

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Practice - 5 Tasks

1fill in blank

easy

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

Java

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

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A0

B10

C5

D1

Attempts:

3 left

2fill in blank

medium

Complete the code to assign the value 10 to the first element of the array numbers.

Java

numbers[[1]] = 10;

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A0

B1

C5

D-1

Attempts:

3 left

3fill in blank

hard

Fix the error in the code to print the length of the array numbers.

Java

System.out.println(numbers[1]);

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A.length

B.size()

C.length()

D.count

Attempts:

3 left

4fill in blank

hard

Fill both blanks to create an array of strings named fruits with 3 elements and assign "Apple" to the first element.

Java

String[] fruits = new String[[1]];
fruits[[2]] = "Apple";

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A3

B1

C0

D5

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to create an integer array named scores, assign 100 to the last element, and print it.

Java

int[] scores = new int[[1]];
scores[[2]] = 100;
System.out.println(scores[3]);

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A4

B3

C[scores.length - 1]

D[3]

Attempts:

3 left