public class Example7_5 {
    public static void main(String[] args) {
        Bank1 bank=new Bank1();
        try {
            bank.income(200,-100);
            bank.income(300,-100);
            bank.income(400,-100);
            System.out.println("银行目前有"+bank.getMoney()+"元");
            bank.income(200,100);
            bank.income(99999,-100);
        }
        catch (BankException e){
            System.out.println("计算收益的过程出现如下问题：");
            System.out.println(e.warnMess());
        }
        System.out.println("银行目前有"+bank.getMoney()+"元");
    }
}