【0709作业】简易的购房商贷月供计算器

loan类

package loan;
/**
 * 简易的购房商贷月供计算器
 * 2019-07-10
 * @author L
 *
 */
public class Loan {
    double monthMoney = 0;

    public double loan(double money, int id) {
        switch (id) {
        case 1:
            monthMoney = (money + money * 0.0603) / 36;
            break;
        case 2:
            monthMoney = (money + money * 0.0612) / 60;
            break;
        case 3:
            monthMoney = (money + money * 0.0639) / 240;
            break;
        default:
            System.out.println("感谢使用购房商贷月供计算器！");
            break;
        }
        System.out.println("月供为:"+monthMoney);
        return monthMoney;
    }
}

测试类

package loan;

import java.util.Scanner;

public class Main {
    static Scanner sc=new Scanner(System.in);
    public static void main(String[] args) {
        Loan loan=new Loan();
        
        System.out.print("请输入贷款金额：");
        double monthMoney=sc.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 id=sc.nextInt();
        loan.loan(monthMoney, id);
        
    }
        
    
}