SelfMadeAccounting.java

package common.selfmade;

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

public class SelfMadeAccounting implements ISelfMadeAccounting {

  List<Double> orders = new ArrayList<Double>();

  @Override
  public void addOrder(double price) {
    System.out.println(this.getClass().getName() + " adding order");
    orders.add(price);
  }

  @Override
  public double getDailyBalance() {
    System.out.println(this.getClass().getName() + " computing daily balance");
    double balance = 0;
    for (Double orderPrice : orders) {
      balance += orderPrice;
    }
    return balance;
  }

  @Override
  public boolean sendToTaxOffice() {
    System.out.println(this.getClass().getName() + " transmitting VAT");
    return true;
  }
}