Question

1) (10 points) Create a new Java project, name it "Quiz02". Create a java class Traveler that has four data members, String name, Date bDate, int id and int noOfDependens. Generate the following: 1- Getters and Setters. 2- Four parametrize constructor to initialize the four data members above. 3- toString() method. Create a java class Flight that has four data members, String number, String destination, int capacity, and ArrayList<Traveler> travelers. • Notel - travelers will be used to track the No. of travelers so far on the selected flight. • Note2 - No. of travelers = No. of dependents +1; Generate the following: 1. Getters and Setters. 2- Three parametrize constructor to initialize the number, destination and capacity. 3. toString() method. 4- Method public void addTraveler(Traveler traveler) that will do the following: a. It will calculate the total No. of travelers so far. b. It will calculate the total availability = capacity - No. of travelers.

Answer 1

Please find the code for the above question

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.Date; //import Date Class

//Traveler class
class Traveler
{
        private String name;                    //variable to store name
        private Date bdate;                             //variable to store DOB
        private int id;                                 //variable to store id
        private int noOfDependens;              //variable to store no of dependets
        
        //constructor
        public Traveler(String n, Date d, int id, int NOD)
        {
                this.setName(n);
                this.setBdate(d);
                this.setId(id);
                this.setNoOfDependens(NOD);
        }

        //getter and setters
        public String getName() {
                return name;
        }

        public void setName(String name) {
                this.name = name;
        }

        public Date getBdate() {
                return bdate;
        }

        public void setBdate(Date bdate) {
                this.bdate = bdate;
        }

        public int getId() {
                return id;
        }

        public void setId(int id) {
                this.id = id;
        }

        public int getNoOfDependens() {
                return noOfDependens;
        }

        public void setNoOfDependens(int noOfDependens) {
                this.noOfDependens = noOfDependens;
        }
        
        //function to print details of travleler
        public void tostring()
        {
                
                SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");  
            String DOB = formatter.format(this.bdate);  
                String fin =  "Name: " + this.name + "\nDate of Birth: " + DOB + "\nID: " + String.valueOf(this.id) + "\nNo of Dependents: " + String.valueOf(this.noOfDependens);
                System.out.println(fin);
        }
        
}

//Flight class

class Flight
{
        private String number;                          //variable to store flight no
        private String destination;                     //variable to store destination
        private int capacity;                           //variable to store flight capacity
        ArrayList<Traveler> travelers;            //list of travelers
        
        //constructor
        public Flight(String n, String des, int cap)
        {
                this.number = n;
                this.destination = des;
                this.capacity =cap;
                travelers = new ArrayList<Traveler>();
        }
        
        //constructor
        public String getNumber() {
                return number;
        }
        public void setNumber(String number) {
                this.number = number;
        }
        public String getDestination() {
                return destination;
        }
        public void setDestination(String destination) {
                this.destination = destination;
        }
        public int getCapacity() {
                return capacity;
        }
        public void setCapacity(int capacity) {
                this.capacity = capacity;
        }
        
        //function to add traveler
        public void addTraveler(Traveler traveler)
        {
                //variable to store total passengers
                int totaltraveler = 0;
                for(int i=0;i<this.travelers.size();i++)
                {
                        Traveler trav = this.travelers.get(i);
                        totaltraveler += trav.getNoOfDependens() +1;
                }
                //variable to count remaing seats
                int remaining = this.capacity - totaltraveler;
                //if seats availabe
                if(remaining>= traveler.getNoOfDependens()+1)
                {
                        this.travelers.add(traveler);
                        System.out.println("Flight Capacity: " + this.capacity + "\nNo. of current travelers: " + totaltraveler +"\nFlight availability: "+ remaining);
                        System.out.println("=======================\nAccepted reservation.");
                        //variable to store no of tickkets to be booked
                        int ttravelers = traveler.getNoOfDependens()+1;
                        System.out.println("Total No. of reserved tickets are: " + ttravelers);
                        
                
                }
                else
                {
                        System.out.println("This reservation is not accepted. Total No of requested tickets are:"+String.valueOf(traveler.getNoOfDependens()+1)+ "while the availability is: "+ String.valueOf(remaining));
                }
                
        }
        //print details of flight
        public void tostring()
        {
                System.out.println("***** Flight Details*****");
                System.out.println("=========================");
                String f =  "Flight No.: "+ this.number + "\nFlight Destination: " + this.destination + "\nFlight Capacity: " + String.valueOf(this.capacity);
                System.out.println(f+ "\n");
                System.out.println("List of Travelers:");
                for(int i=0;i<this.travelers.size();i++)
                {
                        
                        Traveler trav = this.travelers.get(i);
                        trav.tostring();
                }
        }
        
}

//AppSytem class
public class AppSystem
{
        //main function
    public static void main(String args[]) throws ParseException
    {
        
        SimpleDateFormat sd = new SimpleDateFormat("dd/MM/yyyy");
        Date d1 = sd.parse("17/05/1950");
        Date d2 = sd.parse("2/12/1975");
        Date d3 = sd.parse("13/03/1981");
        Date d4 = sd.parse("9/10/1979");
        Date d5 = sd.parse("25/05/1963");
        //initializing travelers
                Traveler t1 = new Traveler("Traveler1", d1, 1950517, 7);
        Traveler t2 = new Traveler("Traveler2",d2, 1975122, 5);
        Traveler t3 = new Traveler("Traveler3",d3, 1981313, 3);
        Traveler t4 = new Traveler("Traveler4",d4, 1979109, 4);
        Traveler t5 = new Traveler("Traveler5",d5, 1950517, 6);
        
        //initializing flight
        Flight f1 = new Flight("QAR246","Kuwait", 70);
        Flight f2 = new Flight("Kuw579", "Doha", 60);

        //adding travelers
        f1.addTraveler(t1);
        //print flight details
        f1.tostring();
    }

}

The output of the code:

Problems @ Javadoc e Declaration Console X Coverage <terminated > AppSystem (Java Application] C:\Program Files\Java jre 1.8.0_191\bin javaw.exe (Oct 1 Flight Capacity: 70 No. of current travelers: 0 Flight availability: 70 Accepted reservation. Total No. of reserved tickets are: 8 ** Flight Details***** ***** Flight No.: QAR246 Flight Destination: Kuwait Flight Capacity: 70 List of Travelers: Name: Traveler1 Date of Birth: 05/17/1950 ID: 1950517 No of Dependents: 7