java 공부 6일차(2주차-4)

AccountingApp.java

import javax.swing.JOptionPane;
public class AccountingApp {

	public static void main(String[] args) {

//		double valueOfSupply = Double.parseDouble(args[0]);
		double valueOfSupply = Double.parseDouble(JOptionPane.showInputDialog("value of supply"));
		
		double vatRate = 0.1;
		double vat = valueOfSupply * vatRate;
		double total = valueOfSupply + vat;
		double expenseRate = 0.3;
		double expense = valueOfSupply * expenseRate;
		double income = valueOfSupply - expense;
		double dividend1 = income * 0.5;
		double dividend2 = income * 0.3;
		double dividend3 = income * 0.2;

		System.out.println("Value of supply : " + valueOfSupply);
		System.out.println("VAT : " + vat);
		System.out.println("Total : " + total);
		System.out.println("Expense : " + expense);
		System.out.println("Income : " + income);
		System.out.println("Dividend 1 : " + dividend1);
		System.out.println("Dividend 2 : " + dividend2);
		System.out.println("Dividend 3 : " + dividend3);

	}

}

AccountingArrayApp.java

import javax.swing.JOptionPane;
public class AccountingArrayApp {

	public static void main(String[] args) {

//		double valueOfSupply = Double.parseDouble(args[0]);
		double valueOfSupply = Double.parseDouble(JOptionPane.showInputDialog("value of supply"));
		
		double vatRate = 0.1;
		double vat = valueOfSupply * vatRate;
		double total = valueOfSupply + vat;
		double expenseRate = 0.3;
		double expense = valueOfSupply * expenseRate;
		double income = valueOfSupply - expense;
		double[] dividendRates = new double[3];
		dividendRates[0] = 0.5;
		dividendRates[1] = 0.3;
		dividendRates[2] = 0.2;
		double dividend1 = income * dividendRates[0];
		double dividend2 = income * dividendRates[1];
		double dividend3 = income * dividendRates[2];

		System.out.println("Value of supply : " + valueOfSupply);
		System.out.println("VAT : " + vat);
		System.out.println("Total : " + total);
		System.out.println("Expense : " + expense);
		System.out.println("Income : " + income);
		System.out.println("Dividend 1 : " + dividend1);
		System.out.println("Dividend 2 : " + dividend2);
		System.out.println("Dividend 3 : " + dividend3);

	}

}

AccountingArrayLoopApp.java

import javax.swing.JOptionPane;

public class AccountingArrayLoopApp {

	public static void main(String[] args) {

//		double valueOfSupply = Double.parseDouble(args[0]);
		double valueOfSupply = Double.parseDouble(JOptionPane.showInputDialog("value of supply"));

		double vatRate = 0.1;
		double vat = valueOfSupply * vatRate;
		double total = valueOfSupply + vat;
		double expenseRate = 0.3;
		double expense = valueOfSupply * expenseRate;
		double income = valueOfSupply - expense;
		double[] dividendRates = new double[3];
		dividendRates[0] = 0.5;
		dividendRates[1] = 0.3;
		dividendRates[2] = 0.2;

		System.out.println("Value of supply : " + valueOfSupply);
		System.out.println("VAT : " + vat);
		System.out.println("Total : " + total);
		System.out.println("Expense : " + expense);
		System.out.println("Income : " + income);

		int i = 0;
		while (i < dividendRates.length) {
			System.out.println("Dividend 1 : " + income * dividendRates[i]);
			i++;
		}
	}

}

AccountingIFApp

import javax.swing.JOptionPane;

public class AccountingIFApp {

	public static void main(String[] args) {

//		double valueOfSupply = Double.parseDouble(args[0]);
		double valueOfSupply = Double.parseDouble(JOptionPane.showInputDialog("value of supply"));

		double vatRate = 0.1;
		double vat = valueOfSupply * vatRate;
		double total = valueOfSupply + vat;
		double expenseRate = 0.3;
		double expense = valueOfSupply * expenseRate;
		double income = valueOfSupply - expense;
		double dividend1;
		double dividend2;
		double dividend3;
		if (income > 10000.0) {
			dividend1 = income * 0.5;
			dividend2 = income * 0.3;
			dividend3 = income * 0.2;
		} else {
			dividend1 = income * 1.0;
			dividend2 = income * 0;
			dividend3 = income * 0;

		}
		System.out.println("Value of supply : " + valueOfSupply);
		System.out.println("VAT : " + vat);
		System.out.println("Total : " + total);
		System.out.println("Expense : " + expense);
		System.out.println("Income : " + income);
		System.out.println("Dividend 1 : " + dividend1);
		System.out.println("Dividend 2 : " + dividend2);
		System.out.println("Dividend 3 : " + dividend3);

	}

}

AccountingMethodApp

import javax.swing.JOptionPane;

class Accounting { //인스턴스 사용 시 public static을 사용하면 안 됨.
	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 getDividend1() {
		return getIncome() * 0.5;
	}

	public double getDividend2() {
		return getIncome() * 0.3;
	}

	public double getDividend3() {
		return getIncome() * 0.2;
	}

	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 AccountingMethodApp {
	public static void main(String[] args) {
//		Accounting.valueOfSupply = Double.parseDouble(JOptionPane.showInputDialog("value of supply"));
//		Accounting.vatRate = 0.1;
//		Accounting.expenseRate = 0.3;
//		Accounting.print();
		
		Accounting a1 = new Accounting();  // 인스턴스
		a1.valueOfSupply = 10000.0;
		a1.vatRate = 0.1;
		a1.expenseRate = 0.3;
		a1.print();

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

java1 part를 마쳤다.