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Welcome to the Objects and Classes in OOPs MCQs Page

Dive deep into the fascinating world of Objects and Classes in OOPs with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Classes in OOPs, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Objects and Classes in OOPs, 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 Object Oriented Programming.

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Check out the MCQs below to embark on an enriching journey through Objects and Classes in OOPs. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Objects and Classes in OOPs. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Classes in OOPs MCQs | Page 3 of 15

Discuss
Answer: (c).No, it’s not possible
Q22.
What will be the output of the following code?
import java.awt.Point;
class Testing
{
 public static void main(String[] args)
 {
  Point t1,t2,t3;
  t1=new Point(100,100);
  t2=t1;
  t3=t1;
  t1.x=200;
  t1.y=200;
  t2.x=300;
  t3.y=500;
  System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y);
 }
}
Discuss
Answer: (d).Point 1: 300, 500
Discuss
Answer: (a).It can never be reassigned to refer to a different object.
Discuss
Answer: (a).Members of class where this is used
Discuss
Answer: (d).depends on where the method is being called
Q26.
How many objects can be referenced from same variables?
Discuss
Answer: (a).One at a time
Q27.
Java handles memory dynamically and references are deleted as soon as they are out of scope.
Discuss
Answer: (a).True
Q28.
Invoking a method on a particular object is ____________ sending a message to that object.
Discuss
Answer: (b).Same as
Discuss
Answer: (b).Yes, but not always
Discuss
Answer: (a).Actual creation and memory allocation for object members
Page 3 of 15

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