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));
}
void sell(double d, int i) {
if (specialaccount.isEmpt()) freeAccount.deposit((int) (d * i));
else freeAccount.deposit((int) (d * i * 0.98));
unit -= d;
}
void buy(int i, int j) {
if (specialaccount.isEmpt()) freeAccount.withdraw(i);
else freeAccount.withdraw((int) (i * 1.02));
unit += (double) i / (double) j;
}