/*
* :: Differences ::
* 1. A struct is a value type where as class is a referance type.
* 2. All the differences apply to value type and reference type are applicable here also.
* 3. Structs are stored in stack and classes in heap.
* 4. Value types holds there value in the memory where they created whereas reference type hold a reference to an object in memory.
* 5. Value types are distroyed immediately after the scope is lost, whereas for reference types only
* the reference variable is distroyed after the scope is lost. The object is later distroyed by garbage collector.
* 6. When you copy a struct into another struct, a new copy of struct created and modification at one struct will not affect value contained by other.
* 7. structs can't have destructors where as class can have.
* 8. structs can't have explicit parameter less constructor where as a class can.
* 9. structs can't inherit from another class where as a class can. Both structs and classes can inherit from an interface.
* 10. A class or struct cannot inherit from another struct. Structs are sealed types.
* 11. Since struct does not support inheritance, access modifier of a member of a struct cannot be protected or protected internal.
*
*/
static void Main(string[] args)
{
#region Value types holds there value in the memory where they created whereas reference type hold a reference to an object in memory.
// Value types are distroyed immediately after the scope is lost, whereas for reference types only
// the reference variable is distroyed after the scope is lost. The object is later distroyed by garbage collector.
int i = 1;
if (i == 1)
{
int j = 10;
Customer c = new Customer();
c.ID = 101;
c.Name = "Anand";
}
#endregion
#region When you copy a struct into another struct, a new copy of struct created and modification at one struct will NOT affect value contained by other.
int a = 10;
int b = a;
b = b + 1;
a = a + 4; // This operation on a will not be reflected at b.
Console.WriteLine("a = {0}, b = {1}", a, b);
#endregion
#region When you copy a class into another class, a only get a copy of reference variable, Both the variables point to the same onject on the heap and modification at one reference variable will affect value contained by other.
Customer c1 = new Customer();
c1.ID = 100;
c1.Name = "Anand";
Console.WriteLine("c1.ID = {0}, c1.Name = {1}", c1.ID, c1.Name);
Customer c2 = c1;
c2.Name = "Sahil"; // This operation on c2.Name will be reflected at c1.Name.
Console.WriteLine("c1.ID = {0}, c1.Name = {1}", c1.ID, c1.Name);
#endregion
//Struct_1 s = new Struct_1();
//s.Equals(s);
#region Example
StructurePerson strX = new StructurePerson();
strX.LastName = "Bejaoui";
strX.FirstName = "Bechir";
StructurePerson strY = new StructurePerson();
strY.LastName = "Bejaoui";
strY.FirstName = "Bechir";
if (strX.Equals(strY))
{
Console.WriteLine("strX = strY");
}
else
{
Console.WriteLine("strX != strY");
}//This code displays strX = strY
ClassPerson clsX = new ClassPerson();
clsX.LastName = "Bejaoui";
clsX.FirstName = "Bechir";
ClassPerson clsY = new ClassPerson();
clsY.LastName = "Bejaoui";
clsY.FirstName = "Bechir";
if (clsX.Equals(clsY))
{
Console.WriteLine("clsX = clsY");
}
else
{
Console.WriteLine("clsX != clsY");
}//This code displays clsX != clsY
#endregion
Console.ReadKey();
}
/*
* :: Differences ::
* 1. A struct is a value type where as class is a referance type.
* 2. All the differences apply to value type and reference type are applicable here also.
* 3. Structs are stored in stack and classes in heap.
* 4. Value types holds there value in the memory where they created whereas reference type hold a reference to an object in memory.
* 5. Value types are distroyed immediately after the scope is lost, whereas for reference types only
* the reference variable is distroyed after the scope is lost. The object is later distroyed by garbage collector.
* 6. When you copy a struct into another struct, a new copy of struct created and modification at one struct will not affect value contained by other.
* 7. structs can't have destructors where as class can have.
* 8. structs can't have explicit parameter less constructor where as a class can.
* 9. structs can't inherit from another class where as a class can. Both structs and classes can inherit from an interface.
* 10. A class or struct cannot inherit from another struct. Structs are sealed types.
* 11. Since struct does not support inheritance, access modifier of a member of a struct cannot be protected or protected internal.
*/
static void Main(string[] args)
{
#region Value types holds there value in the memory where they created whereas reference type hold a reference to an object in memory.
// Value types are distroyed immediately after the scope is lost, whereas for reference types only
// the reference variable is distroyed after the scope is lost. The object is later distroyed by garbage collector.
int i = 1;
if (i == 1)
{
int j = 10;
Customer c = new Customer();
c.ID = 101;
c.Name = "Anand";
}
#endregion
#region When you copy a struct into another struct, a new copy of struct created and modification at one struct will NOT affect value contained by other.
int a = 10;
int b = a;
b = b + 1;
a = a + 4; // This operation on a will not be reflected at b.
Console.WriteLine("a = {0}, b = {1}", a, b);
#endregion
#region When you copy a class into another class, a only get a copy of reference variable, Both the variables point to the same onject on the heap and modification at one reference variable will affect value contained by other.
Customer c1 = new Customer();
c1.ID = 100;
c1.Name = "Anand";
Console.WriteLine("c1.ID = {0}, c1.Name = {1}", c1.ID, c1.Name);
Customer c2 = c1;
c2.Name = "Sahil"; // This operation on c2.Name will be reflected at c1.Name.
Console.WriteLine("c1.ID = {0}, c1.Name = {1}", c1.ID, c1.Name);
#endregion
//Struct_1 s = new Struct_1();
//s.Equals(s);
#region Example
StructurePerson strX = new StructurePerson();
strX.LastName = "Bejaoui";
strX.FirstName = "Bechir";
StructurePerson strY = new StructurePerson();
strY.LastName = "Bejaoui";
strY.FirstName = "Bechir";
if (strX.Equals(strY))
{
Console.WriteLine("strX = strY");
}
else
{
Console.WriteLine("strX != strY");
}//This code displays strX = strY
ClassPerson clsX = new ClassPerson();
clsX.LastName = "Bejaoui";
clsX.FirstName = "Bechir";
ClassPerson clsY = new ClassPerson();
clsY.LastName = "Bejaoui";
clsY.FirstName = "Bechir";
if (clsX.Equals(clsY))
{
Console.WriteLine("clsX = clsY");
}
else
{
Console.WriteLine("clsX != clsY");
}//This code displays clsX != clsY
#endregion
Console.ReadKey();
}