Question

which of the following is the proper method to access the length of the array arr in javascript? a. arr[subscript].length b. arr[].length c. arr.length d. arr(length)

Answer 1

The correct answer is Option C. arr.length

How to find Array length in Java

The maximum number of elements that an array in Java can have is known as the array length. The way to determine an array's length is not standardised. The array attribute length in Java can be used to determine the length of an array. This attribute is used along with the array name. This section teaches us how to determine an array's length or size in Java.

• The length property can be invoked by using the dot (.) operator followed by the array name. We can find the length of int[], double[], String[] for example,

int[] arr=new int[5];  

int arrayLength=arr.length  

• arr is an array of type int that can hold 5 elements. The arrayLength is a variable that stores the length of an array. To find the length of the array, we have used array name (arr) followed by the dot operator and length attribute, respectively. It determines the size of the array.

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