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

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71.
What will be the output of the following C# code snippet?
public class Generic<T>
{
    Stack<T> stk = new Stack<T>();
    public void push(T obj)
    {
        stk.Push(obj);
    }
    public T pop()
    {
        T obj = stk.Pop();
        return obj;
    }
}
class Program
{
    static void Main(string[] args)
    {
        Generic<string> g = new Generic<string>();
        g.push("C++");
        Console.WriteLine(g.pop() + " ");
        Generic<int> g1 = new Generic<int>();
        g1.push(20);
        Console.WriteLine(g1.pop());
        Console.ReadLine();
    }
}

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74.
Choose the correct way to call subroutine fun() of the sample class?
class a
{
    public void x(int p, double k)
    {
        Console.WriteLine("k : csharp!");
    }
}

delegate void del(int i);
x s = new x();
del d = new del(ref s.x);
d(8, 2.2f);

delegate void del(int p,  double k);
del d;
x s = new x();
d = new del(ref s.x);
d(8, 2.2f);

x s = new x();
delegate void d = new del(ref x);
d(8, 2.2f);

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80.
What will be the output of the following C# code snippet?
public class Generic<T>
{
    Stack<T> stk = new Stack<T>();
    public void push(T obj)
    {
        stk.Push(obj);
    }
    public T pop()
    {
        T obj = stk.Pop();
        return obj;
    }
}
class Program
{
    static void Main(string[] args)
    {
        Generic<int> g = new Generic<int>();
        g.push("Csharp");
        Console.WriteLine(g.pop());
        Console.ReadLine();
    }
}

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