third commit (documentations added)

src/com/TicketManagement/Airplane.java

 package com.TicketManagement;
-
 import java.util.ArrayList;
 
+/**
+ * @author Amirhosein Rajabpour
+ * this class is airplane class and airplane are collaborated
+ * with seat and flight classes directly
+ */
 public class Airplane {
     private Seat seat;
     private String airplaneagency;
@@ -13,14 +17,35 @@ public class Airplane {
         this.model = model;
     }
 
+    /**
+     * arraylist of the reserved seats in an airplane
+     */
     ArrayList<Seat> seats = new ArrayList<>();
 
+    /**
+     *
+     * @return all reserved seats in airplane
+     */
     public ArrayList<Seat> getSeats() { return seats; }
 
+    /**
+     *
+     * @return the model of aircraft
+     */
     public String getModel(){ return model;}
 
+    /**
+     *
+     * @return the airplane's agency (or airline)
+     */
     public String getAirplaneagency() { return airplaneagency; }
 
+    /**
+     * this methode takes a seat and checks if that seat is already occupied or not
+     * and if the seat is free it reserves the seat otherwise nothing
+     * @param seat is the seat which should be checked
+     * @return if the seat is free it returns false and if the seat is occupied it returns true
+     */
     public boolean reserveSeat( Seat seat) {
 
         if(seats.contains(seat))

src/com/TicketManagement/Customer.java

 package com.TicketManagement;
-
 import java.util.ArrayList;
 
+/**
+ * @author Amirhosein Rajabpour
+ * this class is our passenger's class
+ */
 public class Customer {
     private String name,lastname;
     private int ID;
@@ -13,15 +16,31 @@ public class Customer {
         this.lastname=lastname;
     }
 
+    /**
+     *
+     * @return our customer's ID
+     */
     public int getID() { return ID; }
 
+    /**
+     *
+     * @returnour customer's name
+     */
     public String getName() { return name; }
-
+    /**
+     *
+     * @returnour customer's family name
+     */
     public String getLastname() { return lastname; }
 
-    public void addTicket(Ticket t){ tickets.add(t);
-        t.getFlight().getAirplane().reserveSeat(t.getSeat);
-    }
-
+    /**
+     *
+     * @param t which is a ticket that our customer wants to buy
+     *          customer buy the ticket ad the seat will be booked
+     */
+    public void buyTicket(Ticket t){
 
+        tickets.add(t);
+        t.getFlight().getAirplane().reserveSeat(t.getSeat());
+    }
 }

src/com/TicketManagement/Flight.java

 package com.TicketManagement;
-
 import java.util.Date;
 
+/**
+ * @author Amirhosein Rajabpour
+ *
+ * flight class represents fields related to flights
+ */
 public class Flight {
     private Date date;
     private String destination;
@@ -12,35 +16,82 @@ public class Flight {
     private String model;
     public Flight(Date date,int flightNumber,String destination,String source,Airplane airplane){
 
-        this.date=date;
-        this.source=source;
-        this.airplane=airplane;
-        this.destination=destination;
-        this.flightNumber=flightNumber;
+        this.date = date;
+        this.source = source;
+        this.airplane = airplane;
+        this.destination = destination;
+        this.flightNumber = flightNumber;
         this.company = airplane.getAirplaneagency();
         this.model = airplane.getModel();
     }
+
+    /**
+     *
+     * @return flight number
+     */
     public int getFlightNumber() {
         return flightNumber;
     }
 
+    /**
+     *
+     * @return source of the flight
+     */
     public String getSource() {
         return source;
     }
 
+    /**
+     *
+     * @return object of airplane
+     */
     public Airplane getAirplane() {
         return airplane;
     }
 
+    /**
+     *
+     * @return date of the flight
+     */
+
     public Date getDate() {
         return date;
     }
 
+    /**
+     *
+     * @return destination of the flight
+     */
+
     public String getDestination() {
         return destination;
     }
 
+    /**
+     *
+     * @return airplain's company (airline)
+     */
+
     public String getCompany(){ return  company;}
 
+    /**
+     *
+     * @return model of the Aircraft
+     */
+    public String getModel(){ return  model;}
+
+    /**
+     *
+     * @param f which is a flight object
+     *          shows details of a specific flight
+     */
+    public void displayFlight(Flight f){
+        System.out.println(f.getDate());
+        System.out.println(f.getDestination());
+        System.out.println(f.getCompany());
+        System.out.println(f.getModel());
+        System.out.println(f.getFlightNumber());
+    }
+
 }
 

src/com/TicketManagement/Seat.java

 package com.TicketManagement;
 
+/**
+ * @author Amirhosein Rajabpour
+ *
+ * this class indicates a seat and it's features for us
+ */
 public class Seat {
     private int ID;
     private String Type;
@@ -10,15 +15,32 @@ public class Seat {
         this.ID=ID;
     }
 
+    /**
+     *
+     * @return seat number
+     */
+
     public int getID() {
         return ID;
     }
 
+    /**
+     *
+     * @return type of the seat which can be business class, first class or economic class
+     */
     public String getType() {
         return Type;
     }
 
+    /**
+     *
+     * @return the ID of the user who has reserved this seat already
+     */
     public int getUserID(){ return userID;}
 
+    /**
+     *
+     * @param u is our user ID who booked the seat and set this ID
+     */
     public void setUser(int u) { userID = u; }
 }

src/com/TicketManagement/Ticket.java

 package com.TicketManagement;
 
+/**
+ * @author Amirhosein Rajabpour
+ *
+ * this class is for simulating a ticket and some related parameters
+ */
 public class Ticket {
     private int seatnumber;
     private int flightnumber;
@@ -15,23 +20,47 @@ public class Ticket {
         this.food = food;
     }
 
+    /**
+     * each passenger can have a specific amount of luggage
+     * @return the passenger's luggage weight
+     */
     public int getLuggageWeight() {
         return LuggageWeight;
     }
 
+    /**
+     * each passenger can have a meal
+     * @return passenger's food
+     */
     public String getFood() {
         return food;
     }
 
+    /**
+     *
+     * @return passenger's flight number ( which is obviously mentioned in the ticket)
+     */
     public int getFlightnumber() {
         return flightnumber;
     }
 
+    /**
+     *
+     * @return passenger's seat number
+     */
     public int getSeatnumber() {
         return seatnumber;
     }
 
+    /**
+     *
+     * @return the object of passenger's flight
+     */
     public Flight getFlight() {return flight;}
 
+    /**
+     *
+     * @return the object of passenger's seat
+     */
     public Seat getSeat(){ return seat;}
 }

src/com/TicketManagement/TicketManagement.java

 package com.TicketManagement;
-
 import java.util.ArrayList;
 
+/**
+ * @author Amirhosein Rajabpour
+ *
+ * this class manages the booking flight system
+ */
 public class TicketManagement {
-    private ArrayList<Flight> flights=new ArrayList<Flight>();
+    /**
+     * an arraylist out of Flight objects which aggregates all flights
+     */
+    private ArrayList<Flight> flights = new ArrayList<Flight>();
 
+    /**
+     *
+     * @return all flights
+     */
     public ArrayList<Flight> getFlights() {
         return flights;
     }
+
+    /**
+     *
+     * @param flight
+     * takes an specific flight object and remove it from our flight array list
+     */
     public void removeFlight(Flight flight){flights.remove(flight);}
+
+    /**
+     *
+     * @param flight
+     * takes a flight and add it to flight array list
+     */
     public void addFlight(Flight flight){
         flights.add(flight);
     }