Answer Posted / ankita jain

super is the first statement of derived class constuctor.

class room
{
int l,b;
room(int x,int y)
{
l = x;
b = y;
}
void area()
{
int a;
a = l*b;
return(a);
}
}
class studyroom extend room
{
int h;
studyroom (int x ,int y, int z)
{
super(x,y)
z = h;
}
int volume()
{
int v;
v = l*b*h;
return(v);
}
}
class sup
{
public static void main(String args[])
{
int ar,vol;
studtroom s=new Studyroom()
ar = s.area();
vol = s.volume();
System.out.println("the area is = "+ar);
System.out.println("the volume is = "+vol);
}
}

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