Class and Objects
Class : A category could be outlined as a blueprint or a set of instruction to construct a particular sort of object. Class present find out how to declare fields, strategies, and constructors.
we declare a category by specifying the category key phrase adopted by a non-reserved identifier that names it. A pair of matching open and shut brace characters ({ and }) following it.
class className
{
//physique
}
E.g. : class Pupil
{
Int rollno;
String title;
void setRollno( );
}
Objects : Objects have states and behaviors. Instance: A canine has states – shade, title, breed in addition to behaviors – wagging the tail, barking, consuming. An object is an occasion of a category.
Different definitions of object embrace :
- Object is an actual world entity.
- Object is a run time entity.
- Object is an entity which has state and conduct.
- Object is an occasion of a category.