Question

Programming Language is Java

In class you learned how to work with collections and streams. This lab allows you to apply the skills you learned to a list of riders.

With your first two assignment complete, the coordinator at the Car Safety Academy decided to begin collecting names for a monthly mailing list. You've been asked to collect the names and perform some processing. First you will create a Riders class. Then you will create an array of riders with the names below (DO NOT SKIP THIS STEP!):

Full Name*	Address	City	State	Zip Code	Phone
John Harbaugh	8397 Zip Rd	Baltimore	MD	21999	123-456-7890
Mike Tomlin	147 LedStock Ave	Pittsburg	PA	07001	890-123-4567
Kevin Stepanski	34 Main St	Cleveland	OH	07001	456-789-0123
Zac Taylor	1222 Mover Rd	Cincinnati	OH	90001	345-678-9012
Ron Rivera	190 Princeton Ct	Washington	DC	20001	678-901-2345

Do not divide name into first and last at any stage of this lab.

Next you will create and display a rider list.

Then you should display a menu to the user asking what he or she would like to do next based on the following options:

1. Add a new entry
   1. Prompt the user for the rider information and add it to the rider list
2. Remove an entry
   1. Prompt the user for a full name, then remove any matching rider from the list
3. Sort by zip code
4. Search by state
5. Search by full name (exactly match the full name)
6. Print riders
7. Quit

After displaying the menu, you should read in a number from the user. (You should check to ensure that the user enters a number 1-7.) Next you will perform the corresponding operation. (Operations 3,4, & 6 should be performed using a stream operations.)

Answer 1

Short Summary:

• Implemented the program as per the requirement
• Attached source code and output

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Source Code:

import java.util.ArrayList;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

//This class holds the riders information

public class Riders {
   //Instance variables

   private String name;
   private String address;
   private String city;
   private String state;
   private String zipCode;
   private String phone;

   //Constructor to set values for instance variables

   public Riders(String name, String address, String city, String state, String zipCode, String phone) {
       this.name = name;
       this.address = address;
       this.city = city;
       this.state = state;
       this.zipCode = zipCode;
       this.phone = phone;
   }

   //Accessors
   public String getName() {
       return name;
   }

   public String getAddress() {
       return address;
   }

   public String getCity() {
       return city;
   }

   public String getState() {
       return state;
   }

   public String getZipCode() {
       return zipCode;
   }

   public String getPhone() {
       return phone;
   }

   //Main method to test
   public static void main(String args[])
   {
       //Hold the list of riders
       ArrayList<Riders> arrayOfRiders=new ArrayList<>();
       arrayOfRiders.add(new Riders("John Harbaugh", "8397 Zip Rd", "Baltimore", "MD", "21999", "123-456-7890"));
       arrayOfRiders.add(new Riders("Mike Tomlin", "147 LedStock Ave", "Pittsburg", "PA", "07001", "890-123-4567"));
       arrayOfRiders.add(new Riders("Kevin Stepanski", "34 Main St", "Cleveland", "OH", "07001", "456-789-0123"));
       arrayOfRiders.add(new Riders("Zac Taylor", "1222 Mover Rd", "Cincinnati", "OH", "90001", "345-678-9012"));
       arrayOfRiders.add(new Riders("Ron Rivera", "190 Princeton Ct", "Washington", "DC", "20001", "678-901-2345"));
       //display riders
       displayRiders(arrayOfRiders);
       //Get input from user
       Scanner input=new Scanner(System.in);
       //Display menu
       System.out.println("**********Menu***********");
       System.out.println("1. Add a new entry\n2. Remove an entry\n3. Sort by zip code\n4. Search by state\n5. Search by full name\n"
               + "6. Print Riders\n7. Quit\nEnter your choice:");
       int choice=input.nextInt();
       input.nextLine();
       //Validate the input
       while(choice<1 || choice>7)
       {
           System.out.println("Wrong choice! Please enter a number between 1 and 7");
           choice=input.nextInt();
           input.nextLine();

       }
       //Switch to perform the operations based on user choice
       switch(choice)
       {
       case 1:
           //Get rider details and add to list
           System.out.print("Enter new Rider's full name:");
           String name=input.nextLine();
           System.out.print("Enter address:");
           String address=input.nextLine();
           System.out.print("Enter city:");
           String city=input.nextLine();
           System.out.print("Enter state:");
           String state=input.nextLine();
           System.out.print("Enter zip code:");
           String zip=input.nextLine();
           System.out.print("Enter phone#:");
           String phone=input.nextLine();
           Riders rider=new Riders(name, address, city, state, zip, phone);
           arrayOfRiders.add(rider);
           System.out.println("Rider added successfully!");
           displayRiders(arrayOfRiders);
           break;
       case 2:
           //Remove by rider name
           System.out.print("Enter full name of the rider:");
           String fullName=input.nextLine();
           Iterator <Riders> iter=arrayOfRiders.iterator();
           while(iter.hasNext())
           {
               Riders riderObj=iter.next();
               if(riderObj.getName().equalsIgnoreCase(fullName))
                   iter.remove();
           }
           System.out.println("Rider removed successfully!");
           displayRiders(arrayOfRiders);
           break;
       case 3:
           //Sort by zipcode
           List<Riders> sortedList = arrayOfRiders.stream()
           .sorted(Comparator.comparing(Riders::getZipCode))
           .collect(Collectors.toList());
           sortedList.forEach(System.out::println);
           break;
       case 4:
           //Search by state
           System.out.print("Enter the state:");
           String enteredState=input.nextLine();
           List<Riders> stateRidersList = arrayOfRiders.stream()
                   .filter(n -> n.getState().equalsIgnoreCase(enteredState))
                   .collect(Collectors.toList());
           stateRidersList.forEach(System.out::println);
           break;
       case 5:
           //Get rider by full name
           System.out.print("Enter the full name:");
           String enteredName=input.nextLine();

           List<Riders> nameRidersList = arrayOfRiders.stream()
                   .filter(n -> n.getName().equalsIgnoreCase(enteredName))
                   .collect(Collectors.toList());
           nameRidersList.forEach(System.out::println);
           break;
       case 6:
           //display riders
           displayRiders(arrayOfRiders);
           break;
       case 7:
           //Exit
           System.exit(0);
           break;
       }

       input.close();
   }
   @Override
   public String toString() {
       return "Rider [name=" + name + ", address=" + address + ", city=" + city + ", state=" + state + ", zipCode="
               + zipCode + ", phone=" + phone + "]";
   }

   //This method prints the list of riders
   private static void displayRiders(List<Riders> arrayOfRiders)
   {
       System.out.println("--------Displaying Riders list--------");
       arrayOfRiders.forEach(s -> System.out.println(s.toString()));
       System.out.println();

   }
}

Code Screenshot:

Output:

1. Add a Rider

2. Remove a rider by name

3. Sort by zipcode

4. Search by state

5. Search by Full Name

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