Miscellaneous in C Sharp MCQs with Answers 2027

Q81

What are strings in C#?

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Q82

What will be the output of the following C# code snippet?

class Program
{
    static void Main(string[] args)
    {
        double x = 2.0;  
        double y = 3.0;
        double z = Math.Pow( x, y );
        Console.WriteLine(z);
        Console.ReadLine();
    }
}

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Q83

Open question

What is multithreaded programming?

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Q84

Open question

Which is the correct statement about the namespaces in C#.NET?

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Q85

Open question

What will be the output of the following C# code snippet?

class Program
{
    static void Main(string[] args)
    {
        double x = 3.14;  
        int y = (int) Math.Ceiling(x);
        Console.WriteLine(y);
    }
}

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Q86

Open question

Which method is used to abort thread prior to it's normal execution?

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Q87

Open question

What will be the output of the following C# code snippet?

class MyClass
{
    int[] a = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
    public IEnumerator GetEnumerator()
    {
        for (int i = 0; i < 20; i++)
        {
            if (a[i] % 2 == 0)
            yield return (int)(a[i]);
        }
    }
}
class Program
{
    static void Main(string[] args)
    {
        MyClass mc = new MyClass();
        foreach (int i in mc)
        Console.Write(i + " ");
        Console.WriteLine();
        Console.ReadLine();
    }
}

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Q88

Open question

What will be the output of the following C# 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();
        }
    }
}

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Q89

Open question

Which is the correct statement about an ArrayList collection that implements the IEnumerable interface?

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Q90

Open question

What will be the output of the following C# code snippet?

static void main(String args[])
{
    char chars[] = {'a', 'b', 'c'};
    String s = new String(chars);
    Console.WriteLine(s);
}

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Q91

Open question

What will be the output of the following C# code snippet?

class Program
{
    static void Main(string[] args)
    {
        String c = "  Hello World  ";
        String s = c.Trim();
        Console.WriteLine("""+s+""");
        Console.ReadLine();
    }
}

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Q92

Open question

Select the operators used for checking the equality in strings:

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Q93

Open question

Which of the following functions return absolute value of a variable?

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Q94

Open question

Select the defined preprocessor in C#.NET?

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Q95

Open question

Choose the correct statement among the given statements?

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Q96

Open question

What will be the output of the following C# code snippet?

class Program
{
    static void Main(string[] args)
    {
        String s = "Hello World";
        int i = s.IndexOf('o');
        int j = s.LastIndexOf('l');
        Console.WriteLine(i + " " + j);
        Console.ReadLine();
    }
}

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Q97

Open question

Which of the following job is done by the instruction ++*p for an integer pointer p?

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Q98

Open question

What does the following code depicts?

i. System.Nullable count;
ii. bool? done;

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Q99

Open question

What will be the output of the following C# code snippet?

public class A
{
    public int x;
    public int y;
    public void display() 
    {
        Console.WriteLine(x + " " + y);
    }
}
class Program
{
    static void Main(string[] args)
    {
        A obj1 = new A();
        A obj2 = new A();
        obj1.x = 1;
        obj1.y = 2;
        obj2 = obj1;
        obj1.display();
        obj2.display();
    }
}

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Q100

Open question

Which feature enables to obtain information about the use and capabilities of types at runtime?

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Miscellaneous in C Sharppractice.

Miscellaneous in C Sharp
practice.