About Lesson
OOP –
Object ( Any Person Place or thing) -Anything which is exist in the world and which has description
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Oriented (Dedication in One Direction)
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Programming (An approach to write a program)
Program – Solution ( Product )
OOP is a theoretical concept to understand the real life in computer world with technical description.
OOP – How to create new objects and how to use existing one (object base)
Paradigms
Class – Class is collection of descriptions. It is just an imagination.
It does not physically exist in the world.
Object – Physically exist in the word which can be describe
Relation Between Class and Object
Class gives theoretical description about an object and object is real life
representative of class. It tells what of an object is.
Ecapsulation – It is a process to wrap the information about an object which
you want to create into a single unit after encapsulation the encapsulated unit
is know as class. Class has
Properties – Decide how an object look like
Function – decide how an object work
Events – what kind of actions an object can take.
Event Handlers – when a function associated with an event that function is known as event handler
in its description. During encapsulation we will also decide which one member of class
should be public or private to make a member private is known as data hiding.
class classname
{
private:
…..
—–
public:
………
———
};
// Private and Public known as access specifiers
//Which one member will be accessed outside the class or which one not
Abstraction – represent complexity in simple manner
Polymorphism
Inheritance
