Java--利用接口以及抽象类解决银行问题。

来源：互联网发布：ios数据恢复软件编辑：程序博客网时间：2024/05/16 07:59
/*   02.*烟台大学计算机学院学生   03.*All right reserved.   04.*文件名称*烟台大学计算机学院学生   05.*All right reserved.   06.*文件名称:抽象基类   07.*作者：王洪海   08.*完成日期：2014年11月4日   09.*版本号：v1.0   10.*对任务及求解方法的描述部分:利用接口以及抽象类解决银行问题  11.*我的程序：   12.*/ package whh;public abstract class Bank {abstract double Income();} interface Commision {double ticheng();   //存款的金额不同，所获得的提成利率不同。}  class ChinaBank extends Bank implements Commision{int  savedMoney;   //存款         int  year;         //存款年数（注意类型）         double  income;    //存款利息         double  inRate;   //存款利率     double commision;        public ChinaBank(){        }    public ChinaBank(int sm,int y,double r){savedMoney=sm;year=y;inRate=r;}        public double Income(){    return savedMoney*year*inRate;    }    public double ticheng(){    if(savedMoney>50000)    commision=0.005;    else    commision=0.003;    return (savedMoney*commision);    }public int getSavedMoney() {return savedMoney;}public void setSavedMoney(int savedMoney) {this.savedMoney = savedMoney;}public int getYear() {return year;}public void setYear(int year) {this.year = year;}public double getInRate() {return inRate;}public void setInRate(double inRate) {this.inRate = inRate;}        }  class ABank extends Bank{    int  savedMoney;   //存款         double  year;         //存款年数（注意类型）         double  inRate;   //存款利率     double hRate;  //活期利率        public ABank(){        }    public ABank(int sm,double y,double r,double h){    savedMoney=sm;    year=y;    inRate=r;    hRate=h;    }        public double Income(){    return (year-(int)year)*hRate*savedMoney+(int)year*inRate*savedMoney;    }public int getSavedMoney() {return savedMoney;}public void setSavedMoney(int savedMoney) {this.savedMoney = savedMoney;}public double getYear() {return year;}public void setYear(double year) {this.year = year;}public double getInRate() {return inRate;}public void setInRate(double inRate) {this.inRate = inRate;}public double gethRate() {return hRate;}public void sethRate(double hRate) {this.hRate = hRate;}         }  class Test{ public static void main(String []args){ ChinaBank cb = new ChinaBank(60000,5,0.01); System.out.println("中国银行存"+cb.getSavedMoney()+"元的提成为："+cb.ticheng()); System.out.println("中国银行存"+cb.getSavedMoney()+"元钱,"+cb.getYear()+"年的利息为："+cb.Income()); System.out.println("       "); ABank ab = new ABank(60000,5.2,0.01,0.008); System.out.println("A银行存"+ab.getSavedMoney()+"元钱，"+ab.getYear()+"年的利息为："+ab.Income()); } }
运行结果，如下图：
0 0