Classes and Objects in C Sharp
practice.

Which of the following is the correct way to settle down values into the structure variable 'e' defined in the following C# code snippet?

struct emp
{ 
    public String name;
    public int age;
    public Single sal;
}
emp e = new emp();

Which of the following keyword is used to overload user defined types by defining static member functions?

If base class consist of two private integers, one static integer and derived class consist of two static integers and one private integer. What would be the size of derived class object?

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

class maths 
 {
     int fact(int n) 
     {
         int result;
         if (n == 1)
         return 1;
         result = fact(n - 1) * n;
         return result;
     }
 } 
 class Output 
 {
     static void main(String args[]) 
     {
         maths obj = new maths() ;
         Console.WriteLine(obj.fact(4)*obj.fact(2));
     }
 }

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

static void Main(string[] args)
{
    Mul();
    m();
    Console.ReadLine();
}
static void Mul()
{
    Console.WriteLine("4");
}
static void m()
{
    Console.WriteLine("3");
    Mul();
}

Which among the following is the correct statement: Constructors are used to?

What will be the correct statement of the following C# code?

enum color:byte
{
    yellow = 500,
    green = 1000,
    pink = 1300
}

Choose the correct statement about enum used in C#.NET?

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

{
    struct abc
    {
        int i;
    }
    class Program
    {
        static void Main(string[] args)
        {
            abc x = new abc();
            abc z;
            x.i = 10;
            z = x;
            z.i = 15;
            console.Writeline(x.i + "  " + y.i)
        }
    }
}

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

class maths
{
    public int fact(int n)
    {
        int result;
        result = fact(n - 1) * n;
        return result;
    }
} 
class Program
{
    static void Main(string[] args)
    {            
        maths obj = new maths();
        Console.WriteLine(obj.fact(4));
        Console.ReadLine();
    }
}

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

class A
{
    public int i;
    private int j;
}     
class B :A 
{
    void display() 
    {
        base.j = base.i + 1;
        Console.WriteLine(base.i + "  " + base.j);
    }
}    
class Program
{
    static void Main(string[] args)
    {
        B obj = new B();
        obj.i = 1;
        obj.j = 2;
        obj.display();     
        Console.ReadLine();
    }
}

Which of the given modifiers can be used to prevent Method overriding?

Which of the following keyword is used to change data and behavior of a base class by replacing a member of the base class with a new derived member?

Choose the wrong statement about 'INTERFACE' in C#.NET?

Selecting appropriate method out of number of overloaded methods by matching arguments in terms of number, type and order and binding that selected method to object at compile time is called?

If no access modifier for a class is specified, then class accessibility is defined as?

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

static void Main(string[] args)
{
    int a = 5;
    int s = 0, c = 0;
    Mul (a, ref s, ref c);
    Console.WriteLine(s + "t " +c);
    Console.ReadLine();
}
static void Mul (int x, ref int ss, ref int cc)
{
    ss = x * x;
    cc = x * x * x;
}

Number of constructors a class can define is?

Correct way to overload +operator?

The data members of a class by default are?