Quiz

Quiz – 35

Predict the output for below simple C# program:

namespace ConsoleApplication
{
   class Program
    {
        static void Main(string[] args)
        {
       #if (!pi)
            Console.WriteLine("i");
       #else 
            Console.WriteLine("pi not define");
       #endif
            Console.WriteLine("ok");
            Console.ReadLine();
        }
    }
}

namespace ConsoleApplication

{

class Program

{

static void Main(string[] args)

{

#if (!pi)

Console.WriteLine("i");

#else

Console.WriteLine("pi not define");

#endif

Console.WriteLine("ok");

Console.ReadLine();

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 34

Predict the output for below simple C# program:

namespace ConsoleApplication
{
   public class Generic<T>
    {
        public T Field;
    }
    class Program
    {
        static void Main(string[] args)
        {
            Generic<int> g2 = new Generic<int>();
            Generic<int> g3 = new Generic<int>();
            g2.Field = 8;
            g3.Field = 4;
            if (g2.Field % g3.Field == 0)
            {
                Console.WriteLine("A");
            }
            else
                Console.WriteLine("Prints nothing:");
            Console.ReadLine();
        }
    }
}

namespace ConsoleApplication

{

public class Generic<T>

{

public T Field;

}

class Program

{

static void Main(string[] args)

{

Generic<int> g2 = new Generic<int>();

Generic<int> g3 = new Generic<int>();

g2.Field = 8;

g3.Field = 4;

if (g2.Field % g3.Field == 0)

{

Console.WriteLine("A");

}

else

Console.WriteLine("Prints nothing:");

Console.ReadLine();

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 33

Predict the output for below simple C# program:

namespace ConsoleApplication
{
   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();
        }
    }
}

namespace ConsoleApplication

{

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();

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 32

Predict the output for below simple C# program:

namespace ConsoleApplication
{
  class Program
    {
        static void Main(string[] args)
        {
            String a = "CsharpStar";
            String b = "CSHARPSTAR";
            int c;
            c = a.CompareTo(b);
            Console.WriteLine(c);
        }
       
    }
}

namespace ConsoleApplication

{

class Program

{

static void Main(string[] args)

{

String a = "CsharpStar";

String b = "CSHARPSTAR";

int c;

c = a.CompareTo(b);

Console.WriteLine(c);

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 31

Predict the output for below simple C# program:

namespace ConsoleApplication
{
 class Program
    {
        static void Main(string[] args)
        {
            String s1 = "Welcome to Csharpstar";
            String s2 = "welcome to easywcf";
            String s3 = s2;
            Console.WriteLine((s1 == s2) + " " + s2.Equals(s3));
            Console.ReadLine();
        }
       
    }
}

namespace ConsoleApplication

{

class Program

{

static void Main(string[] args)

{

String s1 = "Welcome to Csharpstar";

String s2 = "welcome to easywcf";

String s3 = s2;

Console.WriteLine((s1 == s2) + " " + s2.Equals(s3));

Console.ReadLine();

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 30

Predict the output for below simple C# program:

namespace ConsoleApplication
{

  class Program
    {
        static void Main(string[] args)
        {
            Program p = new Program();
            p.display(2, 3, 8);
            int[] a = { 2, 56, 78, 66 };
            Console.WriteLine("Example of array");
            Console.WriteLine("Array elements added are");
            p.display(a);
            Console.ReadLine();
        }
        public void display(params int[] b)
        {
            foreach (int i in b)
            {
                Console.WriteLine("ARRAY IS HAVING:{0}", i);
            }
        }
    }
}

namespace ConsoleApplication

{

class Program

{

static void Main(string[] args)

{

Program p = new Program();

p.display(2, 3, 8);

int[] a = { 2, 56, 78, 66 };

Console.WriteLine("Example of array");

Console.WriteLine("Array elements added are");

p.display(a);

Console.ReadLine();

}

public void display(params int[] b)

{

foreach (int i in b)

{

Console.WriteLine("ARRAY IS HAVING:{0}", i);

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 29

Predict the output for below simple C# program:

namespace ConsoleApplication
{

   class Program
    {
        static void Main(string[] args)
        {
            char A = 'P';
            char B = Convert.ToChar(76);
            A++;
            B++;
            Console.WriteLine(A + "  " + B);
            Console.ReadLine();
        }
    }
}

namespace ConsoleApplication

{

class Program

{

static void Main(string[] args)

{

char A = 'P';

char B = Convert.ToChar(76);

A++;

B++;

Console.WriteLine(A + " " + B);

Console.ReadLine();

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 28

Predict the output for below simple C# program:

namespace ConsoleApplication7
{

    delegate string del(string str);
    class sample
    {
        public static string DelegateSample(string a)
        {
            return a.Replace(',','*');
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            del str1 = new del(sample.DelegateSample);
            string str = str1("Welcome to easywcf Puzzles !!");
            Console.WriteLine(str);
        }
    }
}

namespace ConsoleApplication7

{

delegate string del(string str);

class sample

{

public static string DelegateSample(string a)

{

return a.Replace(',','*');

}

class Program

{

static void Main(string[] args)

{

del str1 = new del(sample.DelegateSample);

string str = str1("Welcome to easywcf Puzzles !!");

Console.WriteLine(str);

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Quiz – 27

Predict the output for below simple C# program:

namespace ConsoleApplication
{
  
    delegate void A(ref string str);
    class sample
    {
        public static void DelegatePuzzle( ref string a)
        {
            a = a.Substring( 5, a.Length - 5);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            A str1;
            string str = "Welcome to easywcf !!";
            str1 = sample.DelegatePuzzle;
            str1(ref str);
            Console.WriteLine(str);
        }
    }
}

namespace ConsoleApplication

{

delegate void A(ref string str);

class sample

{

public static void DelegatePuzzle( ref string a)

{

a = a.Substring( 5, a.Length - 5);

}

class Program

{

static void Main(string[] args)

{

A str1;

string str = "Welcome to easywcf !!";

str1 = sample.DelegatePuzzle;

str1(ref str);

Console.WriteLine(str);

}

Reference books, you may like: Programming WCF Services: Design and Build Maintainable Service-Oriented Systems WCF Multi-Layer Services Development with Entity Framework, […]

Top 10 Popular & Tricky C# Puzzles in 2015 (Worth Trying !!!)

Welcome to 2016 !! Wish you a very happy and promising new year 2016. Let’s review all our best featured C# puzzles in year 2015. We read many articles in 2015 and […]

Quiz – 35

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Quiz – 32

Quiz – 31

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Quiz – 28

Quiz – 27

Top 10 Popular & Tricky C# Puzzles in 2015 (Worth Trying !!!)

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