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Welcome to the Namespaces and Preprocessors MCQs Page

Dive deep into the fascinating world of Namespaces and Preprocessors with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Namespaces and Preprocessors, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Namespaces and Preprocessors, 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 Namespaces and Preprocessors. 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 Namespaces and Preprocessors. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Namespaces and Preprocessors MCQs | Page 4 of 5

Q31.
What will be the output of following code snippet?
#define pi 
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace ConsoleApplication13
{
    class Program
    {   
        static void Main(string[] args)
        {
            #if (!pi) 
            Console.WriteLine("i");
            #else 
            Console.WriteLine("pi not define");
            #endif
            Console.WriteLine("ok");
            Console.ReadLine();
       }
   }
}
Discuss
Answer: (b).pi not define
ok
Q32.
What will be the output of following code snippet?
#define DEBUG 
#define MYTEST
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ConsoleApplication13
{
    class Program
    {   
        static void Main(string[] args)
        {
            #if (DEBUG && !MYTEST)
            Console.WriteLine("DEBUG is defined");
            #elif (!DEBUG && MYTEST)
            Console.WriteLine("MYTEST is defined");
            #elif (DEBUG && MYTEST)
            Console.WriteLine("DEBUG and MYTEST are defined");
            #else
            Console.WriteLine("DEBUG and MYTEST are not defined");
            #endif
            Console.ReadLine();
        }
    }
}
Discuss
Answer: (d).DEBUG and MYTEST are defined
Q33.
What will be the output of the following code snippet?
#define DEBUG 
#undef DEBUG
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace ConsoleApplication13
{
    class Program
    {   
        static void Main(string[] args)
        {
            #if (DEBUG)
            Console.WriteLine("DEBUG is defined");
            #elif (!DEBUG && MYTEST)
            Console.WriteLine("MYTEST is defined");
            #elif (DEBUG && MYTEST)
            Console.WriteLine("DEBUG and MYTEST are defined");
            #else
            Console.WriteLine("DEBUG and MYTEST are not defined");
            #endif
            Console.ReadLine();
       }
   }
}
Discuss
Answer: (b).DEBUG and MYTEST are not defined
Q34.
Which preprocessor directive among the following forces the compiler to stop the compilation?
Discuss
Answer: (d).#error
Q35.
Which among the following is not a preprocessor directive?
Discuss
Answer: (c).#Or
Q36.
Which of these data types can be used for a method having a return statement in it?
Discuss
Answer: (d).all of the mentioned
Q37.
What is the process of defining more than one method in a class differentiated by parameters known as?
Discuss
Answer: (b).Function overloading
Q38.
Which of these methods is executed first before execution of any other thing that takes place in a program?
Discuss
Answer: (c).static method
Q39.
Which of these can be used to differentiate two or more methods having same name?
Discuss
Answer: (d).All of the mentioned
Q40.
What will be the output of the program?
class box 
{
    int width;
    int height;
    int length;
    int volume;
    void volume(int height, int length, int width) 
    {
        volume = width * height * length;
    } 
}    
class Prameterized_method
{
    public static void main(String args[]) 
    {
       box obj = new box();
       obj.height = 1;
       obj.length = 5;
       obj.width = 5;
       obj.volume(3, 2, 1);
       Console.WriteLine(obj.volume);  
       Console.ReadLine();      
    } 
}

a.

0

b.

1

c.

6

d.

25

Discuss
Answer: (c).6
Page 4 of 5

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