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

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

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();
    }
}

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

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();
    }
}