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1)It is blueprint of object.
2)it is basically class is cointainer that keep variables and methods.
3)class is user_defined Data type.
Syntax: class classname
{
//variables and methods
}
Object:
1)object is a real time entity. it has attributes and behaviour.
2)The object is an instance of a class.
eg. Bike, chair, pen, person, car etc.
Q)why we create a object?
when we access variables and methods from a class we need object of a class.
Q) how to create an object?
classname variable_name= new classname();
Inheritance:
when the base class inherit all the properities and behaviour of the parent class is called inheritance.
Q)why we need inheritance?
1)Reusability of code.
2)Reduce length of code
Types of inheritance in java:
1)single inheritance
2)multiple inheritance
3)Multilevel inheritance.
Single inheritance:
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