Codecademy export

TransitCalculator.java

/**
 * TransitCalculator Project
 * In this project you will write a Java program that determines the best fare option
 * for someone visiting New York City who plans to use the NYC transit system. 
 * The program should use constructors, methods, conditionals, loops, and arrays.
 */

import java.util.*;
import java.util.Arrays;

public class TransitCalculator {
  
  int riderAge, numOfDays, numOfRides;
  String[] ridePlans = {"Pay-per-ride", "7-day Unlimited Rides", "30-day Unlimited Rides"};
  double[] planRates = {2.75, 33.00, 127.00};
  double rate, bestPrice;
  String bestPlan;

  // Constructor for objects of class TransitCalculator
  public TransitCalculator(int age, int days, int rides) {
    riderAge = age;
    numOfDays = days;
    numOfRides = rides;
    }

  // payPerRidePrice method
  // Returns the price per ride of using the pay per ride rate
  public double payPerRidePrice() {
    if (riderAge < 65) {
      return planRates[0];
    } else {
      return planRates[0] * 0.5;
    }
  }
  
  // unlimited7Price method
  //Returns the price per ride of using the 7-day rate
  public double unlimited7Price() {
    if (riderAge < 65) {
      return Math.ceil(numOfDays / 7.0) * planRates[1] / numOfRides;
    } else {
      return Math.ceil(numOfDays / 7.0) * (planRates[1] * 0.5 / numOfRides);
    }
  }

  // unlimited30Price method
  // Returns the price per ride of using the 30-day rate
  public double unlimited30Price() {
    if (riderAge < 65) {
      return planRates[2] / numOfRides;
    } else {
      return planRates[2] * 0.5 / numOfRides;
    }
  }

  // getBestFare() method
  // Determine the lowest price & the best fare plan
  // Return a String that communicates the findings
  public String getBestFare() {
    if (payPerRidePrice() < unlimited7Price() && payPerRidePrice() < unlimited30Price()) {
      bestPrice = Math.round(payPerRidePrice() * 100.0) / 100.0;
      bestPlan = ridePlans[0];
    } else if (unlimited7Price() < payPerRidePrice() && unlimited7Price() < unlimited30Price()) {
      bestPrice = Math.round(unlimited7Price() * 100.0) / 100.0;
      bestPlan = ridePlans[1];
    } else {
      bestPrice = Math.round(unlimited30Price() * 100.0) / 100.0;
      bestPlan = ridePlans[2];
    }
    return "You should get the " + bestPlan + " option at $" + bestPrice + " per ride.";
  }

  // main method
  public static void main(String[] args) {
    int myAge = 35;
    int myDays = 7;
    int myRides = 14;
    TransitCalculator calc = new TransitCalculator(myAge, myDays, myRides);
    System.out.println(calc.getBestFare());
  }
}