constructor.java

package NPTEL1;
//circle class
class Circle3{
	double x,y;
	double r;
	//method for calculation of circumference
	double circumference() {
		return 2*3.14159*r;
	}
	//method for calculation of area
	double area() {
		return (22/7)*r*r;
	}
	//constructor with the same name as class 
	Circle3 (double a,double b,double c){
		x=a;
		y=b;
		r=c;
		
	}
}
//main class 
public class constructor {
	public static void main(String []args) {
		//object for two different circle 
		Circle3 c1= new Circle3(3.0,4.0,5.0);
		Circle3 c2=new Circle3(0.0,0.0,9.0);
		System.out.println("Circumference="+c1.circumference());
		System.out.println("Area="+c1.area());
		System.out.println("Circumference="+c2.circumference());
		System.out.println("Area="+c2.area());

	}
}