***10.8（金融：Tax類）編程練習題8.12使用數組編寫一個計算稅款的程序。設計一個名為Tax類，該類包含下面的實例數據域

• 題目
• • 程序解釋
• 代碼
• • Test8.java
  • Test8_Tax.java
  • 運行實例
• UML

題目

表3-2：

臨界稅率單身納稅人已婚共同納稅人或符合條件的鰥寡已婚單獨納稅人家庭戶主納稅人

10%	$0~8350	$0~$16700	$0~$8350	$0~$11950
15%	$8351~$33950	$16701~$67900	$8351~$33950	$11951~$45500
25%	$33951~$52250	$67901~$137050	$33951~$68525	$45501~$117450
28%	$52251~$171550	$137051~$208850	$68526~$104425	$117451~$190200
33%	$171551~$372950	$208851~$372950	$104426~$186475	$190201~$372950
35%	$372951+	$372951+	$186476+	$372951+

點擊這里查看編程練習題8.12

程序解釋

Test8.java：測試程序
Test8_Tax.java：構造程序

代碼

Test8.java

public class Test8 {public static void main(String[] args) {// 2001年int[][] arr0 = {{27050, 65550, 136750, 297350},{45200, 109250, 166500, 297350},{22600, 54625, 83250, 148675},{36250, 93650, 151650, 297350}};double[] rate0 = {0.15, 0.275, 0.305, 0.355, 0.391};// 打印表頭System.out.print("2001年\n\t");for (int i = 50000 ; i <= 60000 ; i += 1000){System.out.print(i + "\t");}// 計算稅費for (int a = 0 ; a < 4 ; a++){System.out.print("\n" + a + "\t");for (int b = 50000 ; b <= 60000 ; b += 1000){Test8_Tax t1 = new Test8_Tax(a, arr0, rate0, b);System.out.printf("%d\t", (int)t1.getTax());}}// 2009年int[][] arr1 = {{8350, 33950, 52250, 171550, 372950},{16700, 33950, 68525, 104425, 186475},{8350, 33950, 68525, 104425, 186475},{11950, 45500, 117450, 190200, 372950}};double[] rate1 = {0.1, 0.15, 0.25, 0.28, 0.33, 0.35};// 打印表頭System.out.print("\n2009年\n\t");for (int i = 50000 ; i <= 60000 ; i += 1000){System.out.print(i + "\t");}// 計算稅費for (int a = 0 ; a < 4 ; a++){System.out.print("\n" + a + "\t");for (int b = 50000 ; b <= 60000 ; b += 1000){Test8_Tax t2 = new Test8_Tax(a, arr0, rate0, b);System.out.printf("%d\t", (int)t2.getTax());}}} }

Test8_Tax.java

public class Test8_Tax {public static final int SINGLE_fLER = 0;public static final int MARRIED_JOINTLY_OR_QUALIFYING_WIDOW = 1;public static final int MARRIED_SEPARATELY = 2;public static final int HEAD_OF_HOUSEHOLD = 3;int filingStatus;int[][] brackets;// = {// {27050, 65550, 136750, 297350},// {45200, 109250, 166500, 297350},// {22600, 54625, 83250, 148675},// {36250, 93650, 151650, 297350},// };double[] rates;// = {0.15, 0.275, 0.305, 0.355, 0.391};double taxableIncome;public int getFilingStatus() {return filingStatus;}public void setFilingStatus(int filingStatus) {this.filingStatus = filingStatus;}public int[][] getBrackets() {return brackets;}public void setBrackets(int[][] brackets) {this.brackets = brackets;}public double[] getRates() {return rates;}public void setRates(double[] rates) {this.rates = rates;}public double getTaxableIncome() {return taxableIncome;}public void setTaxableIncome(double taxableIncome) {this.taxableIncome = taxableIncome;}public double getTax(){int index = 0;for (int i = 0 ; i < brackets[filingStatus].length ; i++){if (brackets[filingStatus][i] > taxableIncome)index = i;}return rates[index] * taxableIncome;}public Test8_Tax(){}public Test8_Tax(int filingStatus, int[][] brackets, double[] rates, double taxableIncome){this.filingStatus = filingStatus;this.taxableIncome = taxableIncome;this.brackets = brackets;this.rates = rates;} }

運行實例

2001年50000 51000 52000 53000 54000 55000 56000 57000 58000 59000 60000 0 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 1 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 2 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 3 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 2009年50000 51000 52000 53000 54000 55000 56000 57000 58000 59000 60000 0 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 1 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 2 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300 3 17750 18105 18460 18815 19170 19525 19880 20235 20590 20945 21300

UML

總結

以上是生活随笔為你收集整理的Java黑皮书课后题第10章：***10.8（金融：Tax类）编程练习题8.12使用数组编写一个计算税款的程序。设计一个名为Tax类，该类包含下面的实例数据域的全部內容，希望文章能夠幫你解決所遇到的問題。

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