Question

Given a one dimensional array arr, what is the correct way ofgetting the number of elements in arr

?? arr.length

?? arr.length – 1

?? arr.size – 1

?? arr.length()

Answer 1

Answer:

The answer is option 1 arr.length.

Explanation:

In java arr.length gives the correct number of elements in the array.The length is function is only applicable for arrays.

The length() method is applicable for strings.

arr.length-1 will give 1 element less.

There is no .size for arrays in java.

So we conclude that arr.length is correct way of getting the number of elements in one dimensional array arr.

Answer 2

Answer:

The answer is arr.length.

Explanation:

• In java arr. length gives the correct number of elements in the array.
• The length() method is applicable for strings.
• arr. length-1 will give 1 element less.
• There is no . size for arrays in java.
• So we conclude that arr.

Learn more about the array, refer:

• https://brainly.com/question/13971324.