upload1

src/Airplane.java

+import java.util.ArrayList;
+
+public class Airplane {
+    String type;
+    ArrayList<Seat> seats =new ArrayList<>();
+    public Airplane(String type){
+        this.type=type;
+    }
+    public String getType(){
+        return type;
+    }
+    public void reserveSeat(Seat s){
+        seats.add(s);
+    }
+}

src/DateAndTime.java

+public class DateAndTime {
+    int day;
+    int hour;
+    int minute;
+    public DateAndTime(int day,int hour,int minute){
+        this.day=day;
+        this.hour=hour;
+        this.minute=minute;
+    }
+}

src/Flight.java

+import java.util.ArrayList;
+
+public class Flight {
+    int day;
+    int hour;
+    int minute;
+    int id;
+    String destination;
+    String source;
+    String company;
+    Airplane airplane;
+    DateAndTime dateAndTime;
+    public Flight(int id,String source,String destination,String company,String airplaneType,int day,int hour,int minute){
+        dateAndTime=new DateAndTime(day,hour,minute);
+        airplane=new Airplane(airplaneType);
+        this.destination=destination;
+        this.source=source;
+        this.company=company;
+        this.id=id;
+    }
+    public int getId(){
+        return id;
+    }
+    public String getDestination(){
+        return destination;
+    }
+    public String getSource(){
+        return source;
+    }
+    public String getCompany(){
+        return company;
+    }
+    public Airplane getAirplane(){
+        return airplane;
+    }
+    public DateAndTime getDateTime(){
+        return dateAndTime;
+    }
+}
+

src/Seat.java

+public class Seat {
+
+    String type;
+    int number;
+    User user;
+    public Seat(int number,String type){
+        this.type=type;
+        this.number=number;
+    }
+    public String getType(){
+        return type;
+    }
+    public int getNumber(){
+        return number;
+    }
+    public void setUser(String userFirstName,String userFamilyName,int userId){
+        user=new User(userFirstName,userFamilyName,userId);
+    }
+    public User getUser(){
+        return user;
+    }
+}

src/System.java

+public class System {
+
+}

src/Ticket.java

+public class Ticket {
+
+}

src/User.java

+import java.util.ArrayList;
+
+public class User {
+    String firstName;
+    String lastName;
+    int id;
+    ArrayList<Ticket> tickets=new ArrayList<>();
+    public User(String firstName,String lastName,int id){
+        this.firstName=firstName;
+        this.lastName=lastName;
+        this.id=id;
+    }
+    public String getFirstName(){
+        return firstName;
+    }
+    public String getLastName(){
+        return lastName;
+    }
+    public int getId(){
+        return id;
+    }
+    public void reserve(Seat seat,Boolean food,int weight){
+
+    }
+}