package bankAccount;
public class Test1 {public static void main(String[] args) {// TODO Auto-generated method stubDepositAccount1 saver = new DepositAccount1("1234567890","zhangsan",5000);saver.setRate(0.023);//设置年利率saver.Deposit(2000);//存入2000元saver.queryLeft();//查询余额System.out.println("年利息是"+saver.calYearRate());}}
package bankAccount;import java.util.Scanner;
public class DepositAccount1 {private String accountnum;//账户private String name;//储户姓名private double left;//存款余额static double rate;//年利率public DepositAccount1(String accountnum,String name,double left){ //构造方法,开户this.accountnum = accountnum;this.name = name;this.left = left;}public void Deposit(double money){ //存款System.out.println("您的现有余额为"+left);Scanner input = new Scanner(System.in);System.out.println("请输入您要存入的金额为"+money);left = left + money;System.out.println("存款成功,您的现有余额为"+left);}public void queryLeft(){//查询余额System.out.println("您的余额是"+left);}public double calYearRate(){//计算年利息return left*rate;}public double calMonthRate(){//计算月利息return left*rate*1/12;}public void setRate(double rate){//设置年利率this.rate = rate;}
}
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