Java Single Array Quiz

Java Single Array Quiz

University

10 Qs

quiz-placeholder

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Java Single Array Quiz

Java Single Array Quiz

Assessment

Quiz

Other

University

Medium

Created by

Mahmoud Bakkar

Used 19+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the syntax for declaring an array in Java?

arrayName dataType;

dataType[] arrayName;

arrayName dataType[];

arrayName[] dataType;

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you initialize an array in Java?

int[] myArray = new int();

int[] myArray = new int[5];

int[] myArray = new int[];

int[] myArray = new int[0];

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you access the third element in an array named 'numbers'?

numbers[3]

numbers[2]

numbers[0]

numbers[1]

4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the result of the following code? int[] numbers = {1, 2, 3, 4, 5}; System.out.println(numbers[2]);

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you change the value of the second element in an array named 'names' to 'John'?

names[1] = 'John'

names[2] = 'John'

names[1] = 'Jane'

names[0] = 'John'

6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the output of the following code? int[] numbers = {1, 2, 3, 4, 5}; for (int i = 0; i < numbers.length; i++) { System.out.print(numbers[i] + " "); }

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the output of the following code? int[] numbers = {5, 2, 8, 1, 9}; Arrays.sort(numbers); for (int i = 0; i < numbers.length; i++) { System.out.print(numbers[i] + " "); }

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