Point Class

Lab Java Beginner 10 points

Create a class Point with int x, y, a constructor, a method double distanceTo(Point other) and a toString() returning (x, y). Read two points and print both and their distance (2 decimals).

Input

Two lines: x y.

Output

Three lines.

Example

Input

0 0
3 4

Output

(0, 0)
(3, 4)
5.00

Sample input available Sample output available

Editor

Java

Hints

this.x refers to the field when a parameter has the same name.

println(obj) calls obj.toString().

Solution explanation

A class bundles data (fields) with behaviour (methods). Extra classes go in the same file without public.

Show solution

import java.util.Scanner;

class Point {
    int x, y;

    Point(int x, int y) {
        this.x = x;
        this.y = y;
    }

    double distanceTo(Point other) {
        int dx = x - other.x, dy = y - other.y;
        return Math.sqrt(dx * dx + dy * dy);
    }

    @Override
    public String toString() {
        return "(" + x + ", " + y + ")";
    }
}

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Point a = new Point(sc.nextInt(), sc.nextInt());
        Point b = new Point(sc.nextInt(), sc.nextInt());
        System.out.println(a);
        System.out.println(b);
        System.out.printf("%.2f%n", a.distanceTo(b));
    }
}

Output

Answer