public class GeomentricObject {
float pi;
GeomentricObject(){
this.pi=3.1415f;
}
public float fvolume(){
System.out.println(“volume is:”+pi);
return pi;
}
}
class Circle extends GeomentricObject{
int radius;
Circle(int radius){
super();
this.radius=radius;
}
public float fvolume(){
float volume;
volume=pi*radius*radius;
System.out.println(“volume of Circle=”+volume);
return volume;
}
}
class Cone extends Circle{
int height;
Cone(int radius,int height){
super(radius);
this.height=height;
}
public float fvolume(){
float volume;
volume=(pi*radius*radius*height)/3;
System.out.println(“volume of Cone is=”+volume);
return volume;
}
}
class Triangle extends GeomentricObject{
int base;
int height;
Triangle(int base,int height){
super();
this.base=base;
this.height=height;
}
public float fvolume(){
float volume;
volume=base*height*1/2;
System.out.println(“volume of Triangle is=”+volume);
return volume;
}
}
class Tribasepyramid extends Triangle{
int base;
int height;
int width;
Tribasepyramid(int base,int height,int width){
super(base,height);
this.width=width;
}
public float fvolume(){
float volume;
volume=width*super.fvolume();
System.out.println(“volume of trianglebasepyramid=”+volume);
return volume;
}
}
class Hexogon extends GeomentricObject{
int side;
Hexogon(int side){
super();
this.side=side;
}
public float fvolume(){
double volume=3*Math.sqrt(3)/2*side*side;
float t=(float)volume;
System.out.println(“volume of Hexogon is=”+volume);
return t;
}
}
class Hexogonbasepyramid extends Hexogon{
int base;
int height;
double area;
double volume;
Hexogonbasepyramid(int side,int base,int height){
super(side);
this.base=base;
this.height=height;
}
public float fvolume(){
area=super.fvolume();
volume=area*base*height;
float tt=(float)volume;
System.out.println(“volume of Hexobasepyramid=”+volume);
return tt;
}
}
allmain.java
import java.util.*;
public class allmain {
static Scanner sc=new Scanner(System.in);
public static void main(String[] args) {
Cone c=new Cone(3,4);
c.fvolume();
Hexogonbasepyramid j=new Hexogonbasepyramid(2,3,4);
j.fvolume();
Tribasepyramid tb=new Tribasepyramid(2,5,22);
tb.fvolume();
GeomentricObject g=new Cone(4,5);
g.fvolume();
}
}
output:
volume of Cone is=37.697998
volume of Hexogon is=10.392304845413264
volume of Hexobasepyramid=124.7076530456543
volume of Triangle is=5.0
volume of trianglebasepyramid=110.0
volume of Cone is=83.77334
