8일차 - 나의 앱만들기 2

7일차 코드(https://baseballgrammer.tistory.com/102)에서 OOP답게 만든 코드이다.

class Accounting{
    public double valueOfSupply;
    public double vatRate;
    public double expenseRate;

    public void print(){
        System.out.println("Value of supply : " + valueOfSupply);
        System.out.println("VAT : " + getVAT());
        System.out.println("Total : " + getTotal());
        System.out.println("Expense : " + getExpense());
        System.out.println("Income : " + getIncome());
        System.out.println("Dividend 1 : " + getDividend1());
        System.out.println("Dividend 2 : " + getDividend2());
        System.out.println("Dividend 3 : " + getDividend3());
    }

    public double getDividend3(){
        return getIncome() * 0.2;
    }
    public double getDividend2(){
        return getIncome() * 0.3;
    }
    public double getDividend1(){
        return getIncome() * 0.5;
    }
    public double getIncome(){
        return valueOfSupply - getExpense();
    }
    public double getExpense(){
        return valueOfSupply * expenseRate;
    }
    public double getTotal(){
        return valueOfSupply + getVAT();
    }
    public double getVAT(){
        return valueOfSupply * vatRate;
    }
}

public class AccountingClassApp{
    public static void main(String[] args){
        Accounting a1 = new Accounting();
        a1.valueOfSupply = 10000.0;
        a1.vatRate = 0.1;
        a1.expenseRate = 0.3;
        a1.print();

        Accounting a2 = new Accounting();
        a2.valueOfSupply = 20000.0;
        a2.vatRate = 0.05;
        a2.expenseRate = 0.2;
        a2.print();

        a1.print();
    }
}