MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following arrays has a length of 5?
A
double[] arr = new double[6];
B
double[] arr = {0, 1, 2, 3, 4, 5};
C
double[] arr = new double[]{1, 2.3, 4, 5};
D
None of the above
Explanation: 

Detailed explanation-1: -The following declaration creates an array of 10 elements: double[] values = new double[10]; An index can be any integer ranging from 0 to 9.

Detailed explanation-2: -Which of the following is the correct way to declare a multidimensional array in Java? Explanation: The syntax to declare multidimensional array in java is either int[][] arr; or int arr[][]; 5.

Detailed explanation-3: -Explanation: Index in array start with 0.

Detailed explanation-4: -Explanation: Arrays use the length variable to determine the number of elements, making Option A correct.

There is 1 question to complete.