Code
package javalab;
import java.util.*;
class length
{
int l;
}
class breadth extends length
{
int b;
}
interface calculator
{
double pi=3.14;
void circle();
}
class area extends breadth implements calculator
{
area(int x,int y)
{
l=x;
b=y;
}
static int counter=0;
void rooms(int x,int y)
{
System.out.print("The Area of room is :");
System.out.println(l*b);
}
void rooms(int x)
{
System.out.println("The area of the square room, is :");
System.out.println(l*l);
}
public void circle()
{
System.out.println("The area of the circle is : ");
System.out.println(3.14*l*l);
}
}
//contruc---nesting prog 4...inheritance 5
public class Javalab
{
public static void main(String[] args)
{
area obj = new area(2,3);
obj.rooms(2);
area.counter=area.counter+1;
obj.rooms(2,3);
area.counter=area.counter+1;
System.out.println("The value of static is:"+area.counter);
obj.circle();
}
}