src/Q3/CartesianCoordinateSystem.java


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/**
 * Assignment 1, COMP268 Class: CartesianCoordinateSystem.java
 *
 * @description Represents an object that can calculate the distance between two points on a
 *     cartesian plain
 * @author: mo khan Student ID: 3431709
 * @date May 7, 2019
 * @version 1.0
 */
package Q3;

import java.util.Scanner;

public class CartesianCoordinateSystem {
  /**
   * Calculate the distance between two points.
   *
   * @param x1 x coordinate for the first point.
   * @param y1 y coordinate for the first point.
   * @param x2 x coordinate for the second point.
   * @param y2 y coordinate for the second point.
   * @return the distance between the two points
   */
  public double calculateDistance(double x1, double y1, double x2, double y2) {
    return Math.round(Math.pow(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2), 0.5) * 100) / 100.0;
  }

  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);

    System.out.print("Please enter X1: ");
    double x1 = in.nextDouble();

    System.out.print("Please enter Y1 contributions: ");
    double y1 = in.nextDouble();

    System.out.print("Please enter X2 contributions: ");
    double x2 = in.nextDouble();

    System.out.print("Please enter Y2 contributions: ");
    double y2 = in.nextDouble();

    CartesianCoordinateSystem cartesian = new CartesianCoordinateSystem();
    System.out.println("The distance is " + cartesian.calculateDistance(x1, y1, x2, y2));
  }
}