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PGM 6

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happy worker
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15 views2 pages

PGM 6

Uploaded by

happy worker
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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abstract class Shape

int a;

abstract void calculateArea();

abstract void calculatePerimeter();

class Circle extends Shape

Circle()

a=0;

Circle(int r)

a=r ;

void calculateArea()

double area=3.14*a*a;

System.out.println("Area of Circle is " + area);

void calculatePerimeter()

double p=2*3.14*a;

System.out.println("Perimeter of Circle is "+p);

}}

class Triangle extends Shape

int b,c;

Triangle()

{
a=b=c=0;

Triangle(int a,int b, int c)

this.a=a;

this.b=b;

this.c=c;

void calculateArea()

double s=(a+b+c)/2.0;

double area=Math.sqrt(s*(s-a)(s-b)(s-c));

System.out.println("Area of Triangle is " + area);

void calculatePerimeter()

double p=a+b+c;

System.out.println("Perimeter of Triangle is "+p);

}}

class AbsShapeDemo

public static void main(String s[])

Circle c1= new Circle(5);

Triangle t1=new Triangle(2,3,4);

c1.calculateArea();

c1.calculatePerimeter();

t1.calculateArea();

t1.calculatePerimeter();

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