Why arrays are needed in Java - Test Your Understanding

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an array of integers named numbers.

Java

int[] [1] = new int[5];

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Avalues

BnumList

Cnumbers

Darray

Attempts:

3 left

2fill in blank

medium

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

Java

numbers[[1]] = 10;

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A1

B0

C5

D-1

Attempts:

3 left

3fill in blank

hard

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

Java

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

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A.length

B.length()

C.size()

D.count

Attempts:

3 left

4fill in blank

hard

Fill both blanks to create an array of 3 strings and assign "apple" to the first element.

Java

String[] [1] = new String[[2]];
[1][0] = "apple";

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Afruits

B3

C5

Ditems

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to create an array of integers, assign 5 to the second element, and print it.

Java

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

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Ascores

B4

C5

Dvalues

Attempts:

3 left