```java
import java.util.Scanner;
public class HouseLoan {
public double loan(double loan,int yearchoice){
double sumLoan=0;
double monthRefund=0;
switch (yearchoice){
case 1:
sumLoan=loan*6.03/100;
monthRefund=(loan+sumLoan)/36;
break;
case 2:
sumLoan=loan*6.12/100;
monthRefund=(loan+sumLoan)/60;
break;
case 3:
sumLoan=loan*6.39/100;
monthRefund=(loan+sumLoan)/240;
break;
}
return monthRefund;
}
public static void main(String[] args) {
HouseLoan houseLoan=new HouseLoan();
Scanner scanner=new Scanner(System.in);
System.out.println("请输入贷款金额:");
double loan= scanner.nextDouble();
System.out.println("请选择贷款年限:1.3年(36个月)2.5年(60个月)3.20年(240个月)");
int yearchioce= scanner.nextInt();
double monthRefund=houseLoan.loan(loan,yearchioce);
System.out.println("***月供为:"+monthRefund);
}
}