Explore topic-wise MCQs in Technical MCQs.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

In java, array elements are stored in ________ memory locations.

A. Random
B. Sequential
C. Sequential & Random
D. Binary search
E.
Answer» C. Sequential & Random
Discussion
2.

Which of the following is advantage of java array?

A. Code Optimization
B. Random access
C. Size No-Limit
D. Both A and B
Answer» B. Random access
Discussion
3.

We can calculate the length of an array using ________.

A. sizeof(array)
B. array.len
C. array.length
D. array.sizeof()
Answer» D. array.sizeof()
Discussion
4.

Which of the following is used to declare,construct, and initlaize an array?

A. int arr [] [] = {1, 2, 3, 4};
B. int [] arr = (1, 2, 3);
C. int [] arr = {};
D. int arr [] = {1, 2, 3};
Answer» E.
Discussion
5.

Index in array start with ______.

A. -1
B. 0
C. 1
D. infinite
Answer» C. 1
Discussion
6.

Which of the following is an incorrect array declaration?

A. int [] arr = new int[5].
B. int arr[] = new int[5].
C. int arr[] = new int[5].
D. int arr[] = int [5] new
Answer» E.
Discussion
7.

Java Array can allocate __________.

A. Dynamic Memory
B. Static Memory
C. Both A and B
D. None of the above
Answer» C. Both A and B
Discussion
8.

At time of array initialization which is necessary to specify?

A. Row
B. Column
C. Row and Column
D. None of the above
Answer» B. Column
Discussion
9.

Array data access using _____.

A. Operator
B. Variable
C. index
D. Pointer
Answer» D. Pointer
Discussion
10.

Java array is a collection of ________.

A. similar type of elements
B. different type of element
C. heterogeneous data
D. Both A and C
Answer» B. different type of element
Discussion