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dongsub-joung/Tax.java

Last active July 9, 2023 23:59
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정동섭
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Tax.java
// 정동섭
import java.util.ArrayList;
import java.util.Scanner;
class TaxRate{
final static int INTEREST1= 6;
final static int INTEREST2= 15;
final static int INTEREST3= 24;
final static int INTEREST4= 35;
final static int INTEREST5= 38;
final static int INTEREST6= 40;
final static int INTEREST7= 42;
final static int INTEREST8= 45;
static final int[] INTERESTS= new int[]{INTEREST1, INTEREST2, INTEREST3, INTEREST4, INTEREST5, INTEREST6, INTEREST7, INTEREST8};
}
class TaxLine{
final static double WON= 1000000;
final static double STAGE1= 0;
final static double STAGE2= 12 * WON;
final static double STAGE3= 46 * WON;
final static double STAGE4= 88 * WON;
final static double STAGE5= 150 * WON;
final static double STAGE6= 300 * WON;
final static double STAGE7= 500 * WON;
final static double STAGE8= 1000 * WON;
static final double[] STAGES= new double[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};
}
class Progressive{
final static long WON= 10000;
final static long STAGE1= 0;
final static long STAGE2= 108 * WON;
final static long STAGE3= 522 * WON;
final static long STAGE4= 1490 * WON;
final static long STAGE5= 1940 * WON;
final static long STAGE6= 2540 * WON;
final static long STAGE7= 3540 * WON;
final static long STAGE8= 6540 * WON;
static final long[] STAGES= new long[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};
}
public class Tax {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// 연소득 금액 입력
System.out.println("[과세금액 계산 프로그램]");
System.out.print("연소득을 입력해 주세요.:");
long income = scanner.nextLong();
// long income= 15000000;
// long income= 20000000;
// long income= 48000000;
// long income= 92000000;
// long income= 192000000;
long tax = calcTax(income);
long progressive = progressive(income);
System.out.println("[세율에 의한 세금]:\t\t\t\t" + tax);
System.out.println("[누진공제 계산에 의한 세금]:\t\t" + progressive);
}
static long calcTax(long income){
long sumed_tax = 0L;
int taxRate = 0;
for(int i = 1 ; i < TaxLine.STAGES.length ; i++){
if(income > TaxLine.STAGES[i]){
double line = TaxLine.STAGES[i-1];
double toAmt = TaxLine.STAGES[i];
taxRate = TaxRate.INTERESTS[i-1];
long calcResult = (long)(toAmt-line) * taxRate / 100;
sumed_tax = sumed_tax + calcResult;
System.out.printf("%10f * %2d%% = %10d\n", toAmt - line, taxRate, calcResult);
if(i == TaxLine.STAGES.length-1){
income -= (long) TaxLine.STAGES[i];
taxRate = TaxRate.INTERESTS[i];
calcResult = income * taxRate / 100;
sumed_tax = sumed_tax + calcResult;
System.out.printf("%10d * %2d%% = %10d\n", income, taxRate, calcResult);
}
}
else{
income = (long) (income - TaxLine.STAGES[i-1]);
taxRate = TaxRate.INTERESTS[i-1];
long calcResult = income * taxRate / 100;
sumed_tax = sumed_tax + calcResult;
System.out.printf("%10d * %2d%% = %10d\n", income, taxRate, calcResult);
break;
}
}
return sumed_tax;
}
static long progressive(long income){
long progressive_tax = 0L;
int progressive_stage = 0;
int taxRate = 0;
for(int i = 0 ; i < TaxLine.STAGES.length-1 ; i++){
int stage = (int)TaxLine.STAGES[i];
int next_stage = (int)TaxLine.STAGES[i+1];
if(stage < income && income <= next_stage){
progressive_stage = (int)(Progressive.STAGES[i]);
taxRate = TaxRate.INTERESTS[i];
break;
}
if(i == 6){
progressive_stage = (int)(Progressive.STAGES[i+1]);
taxRate = TaxRate.INTERESTS[i+1];
}
}
progressive_tax = income * taxRate / 100 - progressive_stage;
return progressive_tax;
}
}
@dongsub-joung
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// 정동섭

import java.util.Scanner;

class TaxRate{
    final static double INTEREST1= 0.06;
    final static double INTEREST2= 1.5;
    final static double INTEREST3= 2.4;
    final static double INTEREST4= 3.5;
    final static double INTEREST5= 3.8;
    final static double INTEREST6= 0.4;
    final static double INTEREST7= 4.2;
    final static double INTEREST8= 4.5;
}

class TaxLine{
    final static double STAGE1AND2= 12000000;
    final static double STAGE3= 46000000;
    final static double STAGE4= 88000000;
    final static double STAGE5= 150000000;
    final static double STAGE6= 300000000;
    final static double STAGE7= 500000000;
    final static double STAGE8= 1000000000;
}

public class Tax {
    private long income;
    private long as_percentage_taxed;
    private long progressive_taxed;
    public Tax() {
        Scanner sc= new Scanner(System.in);
        System.out.printf("연소득을 입력해 주세요.:");
        this.income= sc.nextLong();
        this.as_percentage_taxed= 0;
        this.progressive_taxed=0;
    }

    private void stage1(){
        this.as_percentage_taxed+= (long) (TaxLine.STAGE1AND2 * TaxRate.INTEREST1);
        this.progressive_taxed+= (long) (TaxLine.STAGE1AND2 * TaxRate.INTEREST1);

        if (this.income >= TaxLine.STAGE1AND2){
            System.out.printf(String.format("%.0f * %.2f  =  %d\n"
                    , TaxLine.STAGE1AND2, TaxRate.INTEREST1, this.progressive_taxed));
            this.income -= TaxLine.STAGE1AND2;
        }
        else{
            System.out.printf(String.format("%.0f * %.2f %% =  %d\n"
                    , this.income, TaxRate.INTEREST1, this.progressive_taxed));
        }
    }

    public static void main(String[] args) {
        System.out.println("과세금액 계산 프로그램");
        Tax tax= new Tax();


        tax.stage1();
        long income= tax.income;
        
    }
}

@dongsub-joung
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import java.util.ArrayList;
import java.util.Scanner;

class TaxRate{
    final static double INTEREST1= 0.06;
    final static double INTEREST2= 1.5;
    final static double INTEREST3= 2.4;
    final static double INTEREST4= 3.5;
    final static double INTEREST5= 3.8;
    final static double INTEREST6= 0.4;
    final static double INTEREST7= 4.2;
    final static double INTEREST8= 4.5;
    static final double[] INTERESTS= new double[]{INTEREST1, INTEREST2, INTEREST3, INTEREST4, INTEREST5, INTEREST6, INTEREST7, INTEREST8};
}

class TaxLine{
    final static double WON= 1000000;
    final static double STAGE1= 12 * WON;
    final static double STAGE2= 12 * WON;
    final static double STAGE3= 46 * WON;
    final static double STAGE4= 88 * WON;
    final static double STAGE5= 15 * WON;
    final static double STAGE6= 30 * WON;
    final static double STAGE7= 50 * WON;
    final static double STAGE8= 100 * WON;

    static final double[] STAGES= new double[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};
}

class Progressive{
    final static long WON= 10000;
    final static long STAGE1= 0;
    final static long STAGE2= 108 * WON;
    final static long STAGE3= 522 * WON;
    final static long STAGE4= 1490 * WON;
    final static long STAGE5= 1940 * WON;
    final static long STAGE6= 2540 * WON;
    final static long STAGE7= 3540 * WON;
    final static long STAGE8= 6540 * WON;
    static final long[] STAGES= new long[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};

}

public class Tax {
    private long income = 0;
    private long amount = 0;
    private ArrayList<Long> arrayList;

    Tax(long income) {
        this.income = income;
        this.arrayList= new ArrayList<>();
    }

    void printing(long income_part, double taxRate){
        System.out.printf(String.format("%d * %.2f  =  %d\n"
                , income_part, taxRate, (long)(income_part * taxRate)));
    }

    public static void main(String[] args) {
        System.out.println("과세금액 계산 프로그램");

        System.out.printf("연소득을 입력해 주세요.:\n");
        try(Scanner sc = new Scanner(System.in);) {
//        long income = sc.nextLong();
//        long income= 12000000;
        long income= 15000000;
//        long income= 20000000;
//        long income= 48000000;
//        long income= 92000000;
            Tax tax = new Tax(income);

            calEachTaxing(tax);

//        System.out.println("[세율에 의한 세금]: " + asPercentageTax(tax));
//        System.out.println("[누진공제 계산에 의한 세금]: " + progressiveTax(income));
        }catch (Exception e){
            System.out.println(e);
        }
    }

    static void calEachTaxing(Tax tax) {
        int size= TaxLine.STAGES.length;
        for (int i=0; i<size; i++){
            double rate = TaxRate.INTERESTS[i];
            double stage= TaxLine.STAGES[i];
            long income= tax.income;

            if (income == stage){
                income= tax.income;
            }else{
                tax.arrayList.add((long)(income%stage));
            }
            long part= tax.arrayList.get(i);
            if (part == 0)
                break;
            tax.printing(part,rate);
        }

    }
}

@dongsub-joung
Copy link
Author 

`import java.util.ArrayList;
import java.util.Scanner;

class TaxRate{
    final static double INTEREST1= 0.06;
    final static double INTEREST2= 1.5;
    final static double INTEREST3= 2.4;
    final static double INTEREST4= 3.5;
    final static double INTEREST5= 3.8;
    final static double INTEREST6= 0.4;
    final static double INTEREST7= 4.2;
    final static double INTEREST8= 4.5;
    static final double[] INTERESTS= new double[]{INTEREST1, INTEREST2, INTEREST3, INTEREST4, INTEREST5, INTEREST6, INTEREST7, INTEREST8};
}

class TaxLine{
    final static double WON= 1000000;
    final static double STAGE1= 12 * WON;
    final static double STAGE2= 12 * WON;
    final static double STAGE3= 46 * WON;
    final static double STAGE4= 88 * WON;
    final static double STAGE5= 15 * WON;
    final static double STAGE6= 30 * WON;
    final static double STAGE7= 50 * WON;
    final static double STAGE8= 100 * WON;

    static final double[] STAGES= new double[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};
}

class Progressive{
    final static long WON= 10000;
    final static long STAGE1= 0;
    final static long STAGE2= 108 * WON;
    final static long STAGE3= 522 * WON;
    final static long STAGE4= 1490 * WON;
    final static long STAGE5= 1940 * WON;
    final static long STAGE6= 2540 * WON;
    final static long STAGE7= 3540 * WON;
    final static long STAGE8= 6540 * WON;
    static final long[] STAGES= new long[]{STAGE1, STAGE2, STAGE3, STAGE4, STAGE5, STAGE6, STAGE7, STAGE8};

}

public class Tax {
    private long income, amount;
    private double rate;
    private ArrayList<Long> arrayList;

    Tax(long income) {
        this.income = income;
        this.amount= 0;
    }

    public void setAmount(long amount) {
        this.amount = amount;
    }

    public void setRate(double rate) {
        this.rate = rate;
    }

    public static void main(String[] args) {
        System.out.println("과세금액 계산 프로그램");

        System.out.printf("연소득을 입력해 주세요.:\n");
        try(Scanner sc = new Scanner(System.in);) {
//        long income = sc.nextLong();
            long income= 12000000;
//            long income= 15000000;
//            long income= 20000000;
//            long income= 48000000;
//            long income= 92000000;
//            long income= 192000000;

            Tax tax = new Tax(income);
            tax= tax.calTax(tax);
            tax.printTax(tax);

//        System.out.println("[세율에 의한 세금]: " + asPercentageTax(tax));
//        System.out.println("[누진공제 계산에 의한 세금]: " + progressiveTax(income));
        }catch (Exception e){
            System.out.println(e);
        }
    }

    private Tax calTax(Tax tax) {
        ArrayList<Long> taxes= new ArrayList<>();
        long income= tax.income;

        if (TaxLine.STAGE1<= income){
            if (TaxLine.STAGE1 == income)
                tax.arrayList.add(income);

            long remain= (long) (income % TaxLine.STAGE1);
            tax.arrayList.add(remain);
        }

        tax.arrayList= taxes;
        return tax;
    }

    private void printTax(Tax tax) throws Exception {
        if (tax.arrayList.size() == 0){
            throw new Exception("size 0");
        }

        long income_part= 0l;
        double rate= 0.0;
        for (int i=0; i<8; i++){
            income_part= tax.arrayList.get(i);
            rate= TaxRate.INTERESTS[i];
            System.out.printf(String.format("%d * %.2f  =  %d\n"
                    , income_part, rate, (long)(income_part*rate)));
        }
    }
}

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