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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 2 of 15

Discuss
Answer: (c).No, the changes are made automatically
Q12.
How many objects can be passed to a function simultaneously?
Discuss
Answer: (d).As many as required
Q13.
If an object is passed by address, will be constructor be called?
Discuss
Answer: (c).No, values are copied
Q14.
Is it possible that an object of is passed to a function, and the function also have an object of same name?
Discuss
Answer: (a).No, Duplicate declaration is not allowed
Q15.
Passing an object using copy constructor and pass by value are same.
Discuss
Answer: (b).False
Discuss
Answer: (b).It is address of where the variables and methods of object are stored
Q17.
Whenever an object is assigned to a variable or passed to a method, ________________
Discuss
Answer: (a).Actually the objects aren’t used
Discuss
Answer: (c).Yes, because the reference directly means using address
Q19.
What will be the output of the following code?
import java.awt.Point;
class Testing
{
 public static void main(String[] args)
 {
  Point p1,p2;
  p1=new Point(100,100);
  p2=p1;
  p1.x=200;
  p1.y=200;
  System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y);
  System.out.println(“Point 2: ” + p2.x + ”, “ + p2.y);
 }
}
Discuss
Answer: (d).Point 1: 200, 200
Point 2: 200,200
Discuss
Answer: (c).No, implicit pointing is possible
Page 2 of 15

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