Java Array Basics

_________________ is a collection of elements used to store the same type of data.

• Array
• Switch
• Case
• Loop

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

What is the first index of an array?

• 1

• 0

• 2

• 3

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[];

Given the following method, what would test return if
a = {0, 2, 3, 4} and v = 1?

• -1
• 0
• 1
• 2