Which of the following statements are correct about objects of a user-defined class called Sample?

1. All objects of Sample class will always have exactly same data.
2. Objects of Sample class may have same or different data.
3. Whether objects of Sample class will have same or different data depends upon a Project Setting made in Visual Studio.NET.
4. Conceptually, each object of Sample class will have instance data and instance member functions of the Sample class.
5. All objects of Sample class will share one copy of member functions.

class Sample
{
    private int i;
    public Single j;
    private void DisplayData()
    {
        Console.WriteLine(i + " " + j);
    }
    public void ShowData()
    {
        Console.WriteLine(i + " " + j);
    }
}

1. Sample s = new Sample();
2. Sample s;
3. Sample s; s = new Sample();
4. s = new Sample();

namespace CuriousTabConsoleApplication
{ 
    class Sample
    { 
        int i, j; 
        public void SetData(int ii, int jj)
        {
            this.i = ii;
            this.j = jj 
        } 
    } 
    class MyProgram
    { 
        static void Main(string[ ] args)
        { 
            Sample s1 = new Sample(); 
            s1.SetData(10, 2); 
            Sample s2 = new Sample(); 
            s2.SetData(5, 10); 
        } 
    } 
}

int i;
int j = new int();
i = 10;
j = 20; 
String str; 
str = i.ToString(); 
str = j.ToString();

sample c;
c = new sample();

1. It will create an object called sample.
2. It will create a nameless object of the type sample.
3. It will create an object of the type sample on the stack.
4. It will create a reference c on the stack and an object of the type sample on the heap.
5. It will create an object of the type sample either on the heap or on the stack depending on the size of the object.

namespace CuriousTabConsoleApplication
{ 
    class Sample
    { 
        int i; 
        Single j; 
        public void SetData(int i, Single j)
        { 
            this.i = i; 
            this.j = j;
        }
        public void Display()
        { 
            Console.WriteLine(i + " " + j);
        } 
    } 
    class MyProgram
    { 
        static void Main(string[ ] args)
        {
            Sample s1 = new Sample(); 
            s1.SetData(36, 5.4f); 
            s1.Display(); 
        } 
    } 
}

class Student s1, s2; // Here 'Student' is a user-defined class.
s1 = new Student(); 
s2 = new Student();

1. Instance members of a class can be accessed only through an object of that class.
2. A class can contain only instance data and instance member function.
3. All objects created from a class will occupy equal number of bytes in memory.
4. A class can contain Friend functions.
5. A class is a blueprint or a template according to which objects are created.