Interview Question:- What will be the output of Default Integer Property ?

Case 1:

int x;
 Console.WriteLine(item);

o/p : Error
Reason: - Not initialized

Case 2:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace commongStringQuestion

{

    class Program

    {

        class A

        {

            public int Id { get; set; }

            public string Name { get; set; }

        }

        static void Main(string[] args)

        {

          

            HashSet<A> obj = new HashSet<A>();

            A obj3 = new A();

            Console.WriteLine(  obj3.Id);

            Console.ReadLine();

           

        }

    }

}

O/p :- 0

Case 3:- Can we initialize autoimplemented property

Yes in the constructor

class Cricket

{

    public Cricket()

    {

        PlayerName = "Sachin";

    }

    public string PlayerName { get; set; }

}

As of C#6 there is a new way:

public string PlayerName { get; set; } = "Sachin"

public string PlayerName { get; } = "Ganguly";

::-

other way is to get rid of auto implemented property and use normal property and assign the private fields in set.

Case 4:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Reflection;

namespace commongStringQuestion

{

    class Program

    {

        public class A

        {

            public string Name { get; set; }

            public string Id { get; set; }

            private string x { get; set; }

            private int counter;

            public A()

            {

                counter = 7;

            }

            public int Counter

            {

                get { return counter; }

            }

        }

        static void Main(string[] args)

        {

            A obja = new A();

           // obja.Counter = 8;//wrong

            Console.WriteLine(obja.Counter);

            Console.ReadLine();

        }

    }

}