210_mt1_2021_sep

javaIsTheBest

package model;
// Represents a customer at a bank
public class Customer { }

package model;
// Represents a teller working at a bank
public class Teller { }

package model;
import java.util.LinkedList;
// Represents a queue of customers at a bank
public class CustomerQueue {
    public static final int MAX_LENGTH = 10; 
    private LinkedList<Customer> queue;
    

    public CustomerQueue() {
        queue = new LinkedList<>();
    }

    public boolean add(Customer c) {
        if (queue.size() < MAX_LENGTH) {
            queue.add(c);
            return true;
        }
        return false; 
    }
    
    public Customer serve() {
        return queue.remove();
    }
    
    public void clear() { 
        queue.clear();
    }
    
    public int size() { 
        return queue.size();
    } 
 }

package model;
// Represents a customer service station at a bank
public class Station {
       private Teller teller; 
       private CustomerQueue queue;
       public Station() { 
             teller = null;
             queue = new CustomerQueue(); 
       }
       

       public void setTeller(Teller t) { 
         this.teller = t;
       }
   
       public Teller getTeller() { 
              return teller;
       }
       
       public CustomerQueue getQueue() {
            return queue;
       } 
 }

public class Trip {
    public static final int COST = 125; //in cents

    // EFFECTS: constructs trip that starts at origin
    public Trip(String origin) {
        //stub
    }

    // EFFECTS: returns the name of the stop where this trip originated
    public String getOrigin() {
        return ""; //stub
    }
}

//A transit card with a balance that earns a reward of REWARD_AMOUNT cents
//for every NUM_TRIPS_FOR_REWARD charged to the card. So if NUM_TRIPS_FOR_REWARD
//is 5 and REWARD_AMOUNT is 10, the card earns a reward of 10 cents (which is
//added to card's balance) for every 5th trip that is succefully charged to
//the card
public class TransitCard {
    public static final int NUM_TRIPS_FOR_REWARD = 5;
    public static final int REWARD_AMOUNT = 10;
    protected int balance;

    // EFFECTS:
    public TransitCard(int initBalance) {
        //stub
    }

    public int getBalance() {
        return 0;
    }

    public void reload(int amount) {

    }

    // MODIFIES: this
    // EFFECTS: if this card has sufficient balance to make a trip:
    //             - deduces the cost of trip
    //             - adds reward points to balance (if owing)
    //             - returns true
    //           otherwise returns false
    public boolean makeTrip(Trip trip) {
        return false; //stub
    }
}

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