JAVA 异常类

来源：互联网发布：centos 拼音输入法rpm 编辑：程序博客网时间：2024/06/02 04:23

MyExemption.java

public class MyExemption extends Exception {String message;public MyExemption(){this.message="你的余额不足！";}}

Bank.java

abstract class Bank {double savedMoney; // 存款double year; // 存款年数（注意类型）double income; // 存款利息double inRate;// 死期存款利率double current;// 活期存款利率public abstract double computerIncome();public void savemoney(double savedMoney) {this.savedMoney += savedMoney;}public void bringmoney(double brmoney) throws MyExemption {if (brmoney > savedMoney) {throw new MyExemption();} elsesavedMoney -= brmoney;}void show() {System.out.println("你的余额为：" + savedMoney);}}

Commision.java

public interface Commision {public abstract double comision();}

ChinaBank.java

public class ChinaBank extends Bank implements Commision{public ChinaBank(){}public ChinaBank(double savedMoney,double year,double inRate,double current){this.savedMoney=savedMoney;this.year=year;this.inRate=inRate;this.current=current;}public  double comision(){ return this.savedMoney/1000000+year*10; }public double computerIncome(){int n=(int)year;income=n*inRate*savedMoney+(n-year)*current*((n*inRate+1)*savedMoney);return  income;}}

NongBank.java

public class NongBank extends Bank implements Commision{public NongBank(){}public NongBank(double savedMoney,double year,double inRate,double current){this.savedMoney=savedMoney;this.year=year;this.inRate=inRate;this.current=current;}public  double comision(){  return this.savedMoney/102000+year*10; }public double computerIncome(){int n=(int)year;income=n*inRate*savedMoney+(n-year)*current*((n*inRate+1)*savedMoney);return  income;}}

BankText.java

import java.util.*;public class BankText {public static void main(String[] args) {int years;double money;Scanner in = new Scanner(System.in);System.out.print("请输入存款年限：");years = in.nextInt();System.out.print("请输入存款金额：");money = in.nextDouble();Bank bank = new ChinaBank(money, years, 0.03, 0.0035);System.out.println("您的利息为"+bank.computerIncome());Commision com=new ChinaBank(money, years, 0.03, 0.0035);System.out.println("提成为："+com.comision());System.out.print("请输入存款年限：");years = in.nextInt();System.out.print("请输入存款金额：");money = in.nextDouble();bank = new ChinaBank(money, years, 0.031, 0.003);System.out.println("您的利息为"+bank.computerIncome());com=new ChinaBank(money, years, 0.031, 0.003);System.out.println("提成为："+com.comision());try{bank.bringmoney(200000);}catch(MyExemption e){System.out.println(e.message);}}}

0 0