Free Printable One Dimensional Array

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One Dimensional Array

Total questions: 14

Worksheet time: 11mins

Name

Class

Date

What are the legal indexes for the array ar, given the following declaration:

int[] ar = {2, 4, 6, 8 }

0, 1, 2, 3

1, 2, 3, 4

2, 4, 6, 8

0, 2, 4, 6

For the array:

int stats[3];

What is the range of the index?

0 to 3

0 to 2

1 to 3

0 to 4

int [] nums = {2, 3, 5, 8, 9, 11};

How would you access the fourth element in nums?

nums[4]

nums[3]

nums(4)

nums(3)

The first value of an array called quizzes can be accessed with which of the following statements?

quizzes[1] = 100;

quizzes[0] = 100;

quizzes[zero] = 100;

quizzes[one] = 100;

Which of the following statements outputs the fifth value in the quizzes array?

System.out.println(quizzes[5]);

quizzes[4];

quizzes[5];

System.out.println(quizzes[4]);

Index values of an array range from ______________.

0 to length – 1

1 to length

0 to length

0 to length + 1

Create an array of 12 strings called months.

String[] months = new String[12];

String months = new String[12];

String[] months = new String[];

String[12] months = new String[];

What value is at index 1 in this array?

String[] names = {"Mack", "Dennis", "Dee", "Charlie"};

Mack

Dennis

Dee

Charlie

What is the correct way to create an array with these three numbers: 12 8 15

int[] = {12, 8, 15};

int[] nums = {12 8 15};

int[] nums = new {12, 8, 15};

int[] nums = {12, 8, 15};

10.

What is returned by values[5]?

11.

for(int i=0; i<10; i++)
numbers[i] = 2 * i + 1;
// Which index of the array holds the value of 5?

12.

What does the following segment of code print out?

int[] numArray = { 2, 7, 4, 12, 0, 2 };

System.out.println("Number: " + numArray[2]);

Number: 2

Number: 7

Number: 4

Number: 12

13.

What does the following segment of code print out?

int[] numArray = { 2, 7, 4, 12, 0, 2 };

System.out.println("Number: " + numArray[0]);

Number: 2

Number: 7

Number: 4

Number: 12

14.

What does the following segment of code print out?

int[] numArray = { 2, 7, 4, 12, 0, 2 };

System.out.println(numArray.length);

100 %

One Dimensional Array

Total questions: 14

Worksheet time: 11mins

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