WAP to implement inheritance and overloading methods

1. //Ques. 10 WAP to implement inheritance and overloading methods.
importjava.util.*;
class mob
{
privateint roll;
private String name;
Scanner x=new Scanner(System.in);
public void getmob( )
{
System.out.print("n Enter Roll No. = ");
roll=x.nextInt( );
System.out.print("n Enter Name = ");
name=x.next( );
}
public void putmob( )
{
System.out.println("n Roll No. : "+roll);
System.out.println("n Name: "+name);
}
}
class drive extends mob
{
publicintp,c,m;
voidgetdrive( )
{

2. getmob( );
Scanner in=new Scanner(System.in);
System.out.print("n Marks in Physics: ");
p=in.nextInt( );
System.out.print(" Marks in Chemistry: ");
c=in.nextInt( );
System.out.print(" Marks in Maths: ");
m=in.nextInt( );
}
public void putdrive( )
{
putmob( );
System.out.println("n Marks: "+p+", "+c+", "+m);
}
}
class pen extends drive
{
privateint tm;
voidgetresult( )
{
getdrive( );
tm=p+c+m;
}
voidputresult( )
{
putdrive( );

3. System.out.println(" Total Marks: "+tm);
}
}
class computer
{
public static void main(String arg[ ])
{
pen s=new pen( );
s.getresult( );
s.putresult( );
}
}
OUTPUT:-