Shan-1035

import java.util.ArrayList;
import java.util.List;

public class ComplaintService {

    private List<Complaint> complaintList = new ArrayList<>();
    private long idCounter = 1;

    public Complaint addComplaint(Complaint complaint) 
    {

Shan-1035

import java.util.ArrayList;
import java.util.List;

public class ScheduleService {

    private List<Schedule> scheduleList = new ArrayList<>();
    private long idCounter = 1;

    public Schedule addSchedule(Schedule schedule) 
    {

Shan-1035

import java.util.ArrayList;
import java.util.List;

public class DriverService {

    private List<Driver> driverList = new ArrayList<>();
    private long idCounter = 1;

    public Driver addDriver(Driver driver) 
    {

Shan-1035

import java.util.ArrayList;
import java.util.List;

public class RouteService {

    private List<Route> routeList = new ArrayList<>();
    private long idCounter = 1;

    public Route addRoute(Route route) 
    {

Shan-1035

import java.util.ArrayList;
import java.util.List;

public class BusService {
    private long idcounter = 1;
    List<Bus> busList = new ArrayList<>(); 
      

    /*Method e function er nam turjoy  j model layer e nam dibe oi nam dia replace krle connect hoa jabe  */

Shan-1035

#include <iostream>
using namespace std;

class Node {

public:
    int data;
    Node* next;

    Node(int value) {