import java.text.ParseException;
import java.util.ArrayList;
import java.util.Scanner;

public class system {
    static Depot depot = new Depot("d1");
    //static Depot depot2 = new Depot("d2");
    //static Depot depot3 = new Depot("d3");

    static ArrayList<Depot> depotArray = new ArrayList<Depot>();

    public static void systemSetup() {
        depotArray.add(depot);
    }

    public static void main(String[] args) throws ParseException {
        StateThreadClass stateThreadClass = new StateThreadClass();
        Thread thread = new Thread(stateThreadClass);
        thread.start();
        systemSetup();
        GetDepot();
    }
  }

import java.io.IOException;
import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Iterator;
import java.util.Scanner;

//import Driver.Manager;

public class Depot{
    String name;
    int LOCount = 0;
    int counter = 0;
    @SuppressWarnings("deprecation")
    Long date3 = 1478217600000L;
    Date date1 = new Date(1478217600000L);
    Date date2 = new Date(1479217600000L);
    Worker worker = new Worker ("tom", "tom", false);
    Worker worker = new Worker ("phil2", "phil2", false);
    Worker worker = new Worker ("phil", "phil", true);
  ----->  Manager manager = new Manager("ben", "ben", true);
    etc.....
 }

public class Worker {
private String username;
private String password;
private boolean available;

public Worker(String username, String password, boolean av) {
    this.username = username;
    this.password = password;
    this.available = av;
}

public Boolean CheckPassword(String password) {
    return this.password.equals(password);
}

public Boolean CheckUsername(String username) {
    return this.username.equals(username);
}

public class Manager extends Driver {
    public Manager(String username, String password, boolean av) {
        super(username, password,av);
    }
}