Miscellaneous in C Sharp MCQ question and answer with solution | C# Program MCQs

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32.
Which among the following is the correct statement about the using statement used in C#.NET?

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34.
What will be the output of the following C# code snippet?
class Program
{
    static void Main(string[] args)
    {
        char []chars = {'a', 'b', 'c'};
        String s = new String(chars);
        Console.WriteLine(s);
        Console.ReadLine();
    }
}

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35.
If ListBox is the class of System.Windows.Forms namespace. Then, the correct way to create an object of ListBox class is?

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36.
What will be the output of the following C# code snippet?
unsafe static void Main()
{
    int a = 5;
    int b = 5;
    int c = 5;
    int*[] ptr = new int* [3];
    ptr[0] = &a;
    ptr[1] = &b;
    ptr[2] = &c;
    for (a = 0; a < 3; a++)
    {
        c += *ptr[a];
        Console.WriteLine(c);
    }
    Console.ReadLine();
}

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37.
What will be the output of the following C# code snippet?
static void Main(string[] args)
{
    string s1 = "Hello" + "c" + "Sharp";
    Console.WriteLine(s1);
    Console.ReadLine();
}

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39.
What will be the output of the following C# code snippet?
class static_out
{
    public static int x;
    public  static int y;
    public int add(int a, int b)
    {
        x = a + b;
        y = x + b;
        return 0;
    }
}    
class Program
{
    static void Main(string[] args)
    {
        static_out obj1 = new static_out();
        static_out obj2 = new static_out();   
        int a = 2;
        obj1.add(a, a + 1);
        obj2.add(5, a);
        Console.WriteLine(static_out.x + " " + static_out.y );     
        Console.ReadLine();
    }
}

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40.
What will be the output of the following C# code snippet?
class MyClass
{
    char ch = 'A';
    int e = 4;
    int k = 9;
    int z = 6;
    public IEnumerator GetEnumerator()
    {
        for (int i = 0; i < 26; i++)
        {
            if (i == e*k /z) yield break; 
            yield return (int)(ch + i);
        }
    }
}
class Program
{
    static void Main(string[] args)
    {
        MyClass mc = new MyClass();
        foreach(int ch in mc)
        Console.Write(ch + " ");
        Console.WriteLine();
        Console.ReadLine();
    }
}

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