9일 차 class로 원리금 균등상환 만들기

class Loan {

private double money; // 대출원금

private double profit; // 대출이율

private double month; // 개월 수

public double getMoney() {

return money;

}

public void setMoney(int money) {

this.money = money;

}

public double getProfit() {

return profit;

}

public void setProfit(int profit) {

this.profit = profit;

}

public double getMonth() {

return month;

}

public void setMonth(int month) {

this.month = month;

}

@Override

public String toString() {

return "Loan [money=" + money + ", profit=" + profit + ", month=" + month + "]";

}

public double rePayment() {

double result, result2, top, top2;

top = money * (profit / 12);

top2 = Math.pow(1 + profit / 12, month);

result2 = money * profit * month / 12;

return result2;

}

public double reProfit() {

this.profit = profit / 100.0;

double result, result2, top, top2;

top = money * (profit / 12);

top2 = Math.pow(1 + profit / 12, month);

result = (top * top2) / (top2 - 1);

return result;

}

public double rePay(double io) {

double result;

result = month--;

return result;

}

}

import java.util.Scanner;

public class Test8 {

public static void main(String[] args) {

// TODO Auto-generated method stub

double inputMoney;

Scanner scan = new Scanner(System.in);

System.out.println("갚은 금액을 입력하세요");

inputMoney = scan.nextInt();

double rePay, rePro, rePut;

Loan ln = new Loan();

ln.setMoney(10000);

ln.setProfit(1);

ln.setMonth(7);

rePay = ln.rePayment();

rePro = ln.reProfit();

rePut = ln.rePay(inputMoney);

System.out.println("원리금 균등상환시 " + rePay);

System.out.println("이자만 갚을시 " + rePro);

System.out.println("남은 원리금 균등상환 잔금은 " + (rePay - inputMoney));

System.out.println(ln);

System.out.println(ln.getMoney() - inputMoney);

}

}