JAVA : Inheritance. A class Network given. The class Admin derives info from class Account which in turn derives from class Person.display Admin object.

only for presentation purposes 

Here are the Mumbai University First Year Engineering sem-2 Computer programing 2 (CP-2) programs.These are tried and tested and work just fine.Njoy!
Please refer this to all your pals on all your social networks..thank you !
The grey color is only for the background it should cause no problems.
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class Person
{
    String name;
    int code;
    Person()
{
}
Person(String n,int c)
{
    name=n;
    code=c;
}
void display()
{
    System.out.println("name is"+name+"code is"+code);
}
}
class Account extends Person
{
    long pay;
    Account()
{
}
    Account(String n,int c,long p)

{
    super(n,c);
    pay=p;
}
void display()
{
    super.display();
    System.out.println("pay is"+pay+"rs");
}
}
class Admin extends Account
{
    int exp;
    Admin()
{
}
    Admin(String n,int c,long p,int e)
{
    super(n,c,p);
    exp=e;
    System.out.println("EXP is"+exp+"years");
}
}

class Network
{
public static void main(String args[])
{
    Admin a=new Admin("yourname",102,2000000,2);
    a.display();
}
}