Untuk menunjang pembelajaran, berikut saya lampirkan kode program dari Ticket Machine:
1. Class TicketMachine
/**
* TicketMachine
* Ivan Fadhila
* PBO
*/
public class TicketMachine
{
// The price of a ticket from this machine.
private int price;
//The amount of money entered by a customer so far.
private int balance;
// The total amount of money collected by this machine.
private int total;
public TicketMachine (int ticketCost)
{
price=ticketCost;
balance=0;
total=0;
}
public int getPrice()
{
return price;
}
public int getBalance()
{
return balance;
}
public void insertMoney(int amount)
{
balance=balance+amount;
}
public void printTicket()
{
// Simulate the printing of a ticket.
System.out.println("##################");
System.out.println("# The BlueJ Line");
System.out.println("# Ticket");
System.out.println("# " + price + " cents.");
System.out.println("##################");
System.out.println();
// Update the total collected with the balance.
total=total+balance;
// Clear the balance.
balance=0;
}
}
2. Untuk Main program
/**
* TicketMachine-Main
* Ivan Fadhila
* PBO
*/
import java.util.Scanner;
public class IntMain
{
public static int main()
{
Scanner scan= new Scanner(System.in);
int cost,menu;
System.out.println("Masukkan harga tiket: ");
cost=scan.nextInt();
TicketMachine ticket=new TicketMachine(cost);
while (true)
{
System.out.println("1. Get Price");
System.out.println("2. Get Balance");
System.out.println("3. Insert Money");
System.out.println("4. Print Ticket");
System.out.println("5. Exit");
menu=scan.nextInt();
switch(menu)
{
case 1:
cost=ticket.getPrice();
System.out.println(cost);
break;
case 2:
System.out.println(ticket.getBalance());
break;
case 3:
int money=scan.nextInt();
ticket.insertMoney(money);
break;
case 4:
ticket.printTicket();
break;
case 5:
return 0;
}
}
}
}
Dengan menggunakan kode program tersebut, maka akan keluar hasil seperti:
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