Value Type Vs Reference Type

VALUE TYPE
-	Value type derives from System.ValueType which derives from System.Object
-	Value types directly contains their values
-	When you copy from one value type variable to another it copies all the data. So if you change one variable it does not affect another variable.
-	Value Type are stored in Stack.
-	Value type has default value. For eg: int i; So i has default value of 0.
-	Runtime can create, delete, remove the value type quickly. So no garbage collection needed.
-	It does not contain null values unless you can make it as nullable type.
-	There are three categories in value type
1	Built-in Type
	- Integral type (sbyte, byte, char, short, ushort, int, uint, long, ulong)
	- Floating point type (float, double)
	- Decimal type (decimal)
2	Bool
3	Struct,Enum
REFERENCE TYPE
-	Reference Type is derive from System.Object
-	Reference Type variable stores address of their data.
-	It has the pointer to points to the data.
-	When you copy from one reference type variable to another it copies only the reference. So if you change one variable it will affect another.
-	Reference types are stored in the Heap.
-	Reference types always has null values.
-	The memory used by the reference type will handled by Garbage Collection.
-	Class, Interface, Object, String, Arrays, Stream, Exception, Delegate, StringBuilder are the reference type.