Circle.java

import java.util.Scanner;

 public class Circle extends Point{
	 	  
     public static void main(String[] args) {
    
	 Scanner sc = new Scanner(System.in);
	 Point c=new Point(); //Create a point center
	 c.x=sc.nextDouble();
	 c.y=sc.nextDouble();
	 Point p=new Point();  //Create a point on circumference
	 p.x=sc.nextDouble();
	 p.y=sc.nextDouble(); 
	 Circle c1=new Circle(); //Create an object of class Circle
	 c1.distance(c,p);  //Calcualte radius of the circle
	
  }
 
}
//Complete the code segment to define a class Point with variable x,y and method distance() that calculates the distance between two points.
//Note: Pass objects of type class Point as argument in distance() method. 
class Point {
	double x,y;
	double distance(Point p1, Point p2)
	{
		double result;
		result = Math.sqrt(Math.pow((p2.x - p1.x),2) + Math.pow((p2.y - p1.y),2));
 		System.out.print(result);
		return result;		
	}
}