// 列印出所有基金和擁有單位數
void printEachUnit() {
FundAccount fundaccount;
for (Iterator iterator = funds.values().iterator(); iterator.hasNext(); ) {
fundaccount = (FundAccount) iterator.next();
System.out.println(fundaccount.fundName + " : " + fundaccount.getUnit());
}
}
public static void main(String args[]) {
DepositAccount deposit = new DepositAccount("peter", 2);
deposit.deposit(5000);
FreeAccount free = new FreeAccount("peter");
free.deposit(20000);
SpecialAccount special = new SpecialAccount("peter");
special.deposit(10000);
deposit.addInterest();
free.addInterest();
special.addInterest();
FundAccount fund = new FundAccount("peter", "A", free, special);
fund.buy(15000, 500);
special.withdraw(5000);
fund.buy(2000, 300);
fund.sell(fund.getUnit(), 400);
InternetAccount internet = new InternetAccount();
internet.setDeposit(deposit);
internet.setFree(free);
internet.setSpecial(special);
internet.setFund(fund);
// 建立一個多帳戶的物件
MultiFund multi = new MultiFund();
// 增加A基金(因A基金本身就存在，不需再另外建立)
multi.addFund("A", fund);
// 建立一個B基金
FundAccount fundB = new FundAccount("peter", "B", free, special);
// 購買每單位50元的基金，2000元
fundB.buy(2000, 50);
// 增加B基金
multi.addFund("B", fundB);
// 建立一個C基金
FundAccount fundC = new FundAccount("peter", "C", free, special);
// 購買每單位30元的基金，5000元
fundC.buy(5000, 30);
multi.addFund("C", fundC);
System.out.println("活期餘額：" + free.balance());
// 顯示特定基金的總現值，須傳入基金名稱和單位金額
multi.printEachUnit();
System.out.println("B 基金餘額: " + multi.getFundBalance("B", 100));
}