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Welcome to the Data Types,Variables and Arrays MCQs Page

Dive deep into the fascinating world of Data Types,Variables and Arrays with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types,Variables and Arrays, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Types,Variables and Arrays, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

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Check out the MCQs below to embark on an enriching journey through Data Types,Variables and Arrays. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Types,Variables and Arrays. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Types,Variables and Arrays MCQs | Page 20 of 32

Q191.
What will be output for the following code?
class Test {
 public static void main(String args[]) {
  int arr[] = new int[2];
  System.out.println(arr[0]);
  System.out.println(arr[1]);
 }
}
Discuss
Answer: (a).0 0
Q192.
What will be output for the following code?
class array_output
{
 public static void main(String args[])
 {
  int array_variable[][] = {{ 1, 2, 3}, { 4 , 5, 6}, { 7, 8, 9}};
  int sum = 0;
  for (int i = 0; i < 3; ++i)
  for (int j = 0; j < 3 ; ++j)
   sum = sum + array_variable[i][j];
  System.out.print(sum / 5);
 }
}
Discuss
Answer: (b).9
Q193.
What will be the output of the program?
class Main
{
 public static void main (String[] args)
 {
  int arr1[] = {1, 2, 3};
  int arr2[] = {1, 2, 3};
  if (arr1 == arr2)
   System.out.println("Same");
  else
   System.out.println("Not same");
 }
}
Discuss
Answer: (b).Not Same
Q194.
What is the output of this program?
class Main
{
public static void main (String[] args)
 {
  int arr1[] = {1, 2, 3};
  int arr2[] = {1, 2, 3};
  if (arr1.equals(arr2))
   System.out.println("Same");
  else
   System.out.println("Not same");
 }
}
Discuss
Answer: (b).Not Same
Q195.
What is the type of variable "b" and "d" in the below snippet?
int a[], b;
int []c, d;
Discuss
Answer: (d)."b" is int variable; and "d" is int array
Q196.
How to sort an array?
Object[] names = new String[3];
names[0] = new Integer(0);
Discuss
Answer: (b).Arrays.sort()
Discuss
Answer: (c).The type or variety of data being handled for reading and writing
Discuss
Answer: (a).Java supports unsigned integers
Q199.
Which data type among the following is an implementation of Objects or OOPs?
Discuss
Answer: (d).None of the above
Discuss
Answer: (c).Data Type which is implemented in a non-object oriented way.

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