Java Array

What is the default value of an array element of type int in Java?

• 0

• null

• undefined

• 0.0

How do you find the length of an array in Java?

• • arr.length()

• arr.length

• arr.size()

• arr.capacity()

Which of the following is the wrong way to creates an array of strings?

• A) String[] arr = new String[5];

• B) String arr = new String[5];

• C) String[] arr; arr = new String[5];

• D) both A and C

What is the output?

• 1

• 4

• 3

• 5

How do you initialize an array with the values 1, 2, 3, 4, and 5?

• int[] arr = {1, 2, 3, 4, 5};

• int[] arr = new int[5]

• int arr[] = {1, 2, 3, 4, 5};

What is the index of the first element in an array?

• -1

• • 1

• 0

• 2

What will the following code print?

• 1

• 2

• 3

• 4

• 5

What is the output?

• 8

• 11

• 17

• 12

What is the output?

• [3, 4, 9, 8, 15]

• [2, 4, 6, 8, 10]

• [3, 2, 9, 4, 15]

What is the answer?

• 1

• 3

• 7

• 9