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Reusability Tutorial -03 In OOPS Association(HAS-A) and Inheritance(IS-A) In Hindi

2,472 views · Published 4 March 2018 · 10:19 · Indexed 6 November 2026

Channel: AndroJavaTech4U · 2018 · Science & Technology

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In this video I am going to discuss about Re usability  In OOPS Via Association(HAS-A) and Inheritance(IS-A).

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                                         Resubality


1)-Associatation(HAS-A)[0 to 100%]
-
a)-compositation(Strong)
b)-Aggregation(Week)

2)-Inheritance(Is-A)[100%]


                   Vechicle
 Car                                         Bike
(Engine,MusicSystem)


class A
{
int x=10;
}

class B
{
A a=new A();
}



program-
 class Heart
{
Heart()
{
System.out.println("Heart is Strong.....");
}
}
class Hair
{
void hair()
{
System.out.println("Hair is wekkkk...");
}
}

class Hand
{
void hand()
{
System.out.println(" Hand is wekkkk...");
}
}

class Brain
{
Brain()
{
System.out.println("Brain is Strong...");
}

}

class Human
{
Brain br;//Aggregation
Hand hd;
Hair ha;
Heart ht;
Human()
{
new Brain();//comosition
new Hand();
ha=new Hair();//Association
new Heart(); 
}
public static void main(String ssp[])
{
Human h=new Human();
h.ha.hair();//OGNL
}
}
 
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