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);
}
}

What are the differences between string and stringbuffer?

1105

---

What is space character in java?

1088

---

When throw keyword is used?

1050

---

What are recursive functions?

1037

---

Does A Class Inherit The Constructors Of Its Superclass?

1050

---

What is an iterator interface in java programming?

936

---

Why do people says “java is robust”?

1013

---

What is the purpose of the wait(), notify(), and notifyall() methods in java programming?

1058

---

Difference between notify() method and notifyall() method in java?

953

---

Is it possible to instantiate the abstract class?

941

---

What is java util collection?

1064

---

What is main method?

1028

---

Which are the two subclasses under exception class?

1066

---

What is a string token?

1020

---

What is difference between java and java ee?

1011

---