编写程序实现不同银行的利息计算。假设Bank类中已有按整年year计算利息的一般方法，其中year只能取正整数。而建设银行ConstructionBank和汉口银行HanKouBank准备重写计算利息的方法，建设银行的非整年的利息按天计算，利率是0.0001，汉口银行的非整年的利息也是按天计算，利率是0.00012。UML类图如下。

完成上面的程序，并编写一个类对其进行测试。要求分别在建设银行和汉口银行各存入8000元，存期为1.256（即1年零256天），年利率为0.035，计算并输出存在两个银行的利息为多少，两个银行利息差额，并输出。

package main;



public class Bank {

    int savedMoney;

    double year;

    double interest;

    double interestRate;

    Bank(int savedMoney,double year,double interest,double interestRate)

    {

        this.savedMoney=savedMoney;

        this.year=year;

        this.interest=interest;

        this.interestRate=interestRate;

    }

    public int getSavedMoney()

    {

        return savedMoney;

    }

    public double getYear()

    {

        return year;

    }

    double computerInterest()

    {

        return this.savedMoney*this.interestRate;

    }

    public double getInterestRate()

    {

        return interestRate;

    }

    void setInterestRate(double rate)

    {

        this.interestRate=rate;

    }

    public static void main(String[] args)

    {

        ConstructionBank constructionBank = new ConstructionBank(8000,0.256,0.035,0.0001);

        constructionBank.computerInterest();

        HanKouBank hanKouBank = new HanKouBank(8000,0.256,0.035,0.0001);

        hanKouBank.computerInterest();

   

    }

}

class ConstructionBank extends Bank

{

    ConstructionBank(int savedMoney, double year, double interest, double interestRate) {

        super(savedMoney, year, interest, interestRate);

    }

    double computerInterest()

    {

        double sum=8000*0.035+year*super.savedMoney*0.0001;

        System.out.println("建设银行的利息是："+sum);

        return sum;

    }

}

class HanKouBank extends Bank

{

    HanKouBank(int savedMoney, double year, double interest, double interestRate) {

        super(savedMoney, year, interest, interestRate);

    }

    double computerInterest()

    {

        double sum=8000*0.035+year*super.savedMoney*0.00012;

        System.out.println("汉口银行的利息是："+sum);

        return sum;

    }

}