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Welcome to the Classes and Objects MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Classes and Objects. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.

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

Classes and Objects MCQs | Page 8 of 10

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Q71.
Correct way to define object of sample class in which code will work correctly is:
class abc
 {
     int i;
     float k;
     public abc(int ii, float kk)
     {  
         i = ii;
         k = kk;
     }
 }
Discuss
Answer: (d).abc s2 = new abc(1, 1.4f);
Discuss
Answer: (d).All of the mentioned
Q73.
Which among the following is the correct statement :
Constructors are used to
Discuss
Answer: (a).initialize the objects
Q74.
Can the method add() be overloaded in the following ways in C#?

public int add() { }
public float add(){ }
Discuss
Answer: (b).False
Discuss
Answer: (c).A constructor can be a static constructor
Q76.
What is output of the following section of code ?
class abc
 {
     public static void a()
     {
         console.writeline("first method");
     }
     public void b()
     {
         a();
         console.writeline("second method");
     }
     public void b(int i)
     {
         console.writeline(i);
         b();
     }
 }
 class program
 {
     static void main()
     {
         abc k = new abc();
         abc.a();
         k.b(20);
     }
 }
Discuss
Answer: (b).first method
20
first method
second method
Q77.
What is the return type of constructors?
Discuss
Answer: (d).none of the mentioned
Q78.
Which method has the same name as that of its class?
Discuss
Answer: (c).constructor
Q79.
Which operator among the following signifies the destructor operator?

a.

::

b.

:

c.

~

d.

&

Discuss
Answer: (c).~
Q80.
The method called by clients of a class to explicitly release any resources like network,connection,open files etc.When the object is no longer required?
Discuss
Answer: (c).Dispose()

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