[教學] IVE Lab 7.1 Sample

天晴

1. import javax.swing.*;
   
2. 
   
3. public class tax_cal {
   
4.   
   
5.   static double a; static double b;
   
6.   static double c; static double d;
   
7.   static double e; static double f;
   
8. 
   
9.   static double totalsum_1;
   
10.   static double totalsum_2;
    
11.   static double totalsum_3;
    
12.   static double totalsum_4;
    
13.   static double totalsum_5;
    
14.   static double totalsum_6;
    
15.   
    
16.   static String input_filing;
    
17.   static String input_income;
    
18.   static int filing_status;
    
19.   static int tax_income;
    
20.   static double tax_result;
    
21.   static double tax_rate;
    
22.   static double tax_rate_1 = 10;
    
23.   static double tax_rate_2 = 15;
    
24.   static double tax_rate_3 = 27;
    
25.   static double tax_rate_4 = 30;
    
26.   static double tax_rate_5 = 35;
    
27.   static double tax_rate_6 = 38.6;
    
28.   static double single_range_1 = 6000;
    
29.   static double single_range_2 = 27950;
    
30.   static double single_range_3 = 67700;
    
31.   static double single_range_4 = 141250;
    
32.   static double single_range_5 = 307050;
    
33. 
    
34.   static double married_range_1 = 12000;
    
35.   static double married_range_2 = 46700;
    
36.   static double married_range_3 = 112850;
    
37.   static double married_range_4 = 171950;
    
38.   static double married_range_5 = 307050;
    
39.   
    
40.   static double marrieds_range_1 = 6000;
    
41.   static double marrieds_range_2 = 23350;
    
42.   static double marrieds_range_3 = 56425;
    
43.   static double marrieds_range_4 = 85975;
    
44.   static double marrieds_range_5 = 153525;
    
45.   
    
46.   static double owner_range_1 = 10000;
    
47.   static double owner_range_2 = 37450;
    
48.   static double owner_range_3 = 96700;
    
49.   static double owner_range_4 = 156600;
    
50.   static double owner_range_5 = 307050;
    
51.   static double x;
    
52.   static double y;
    
53.   static double z;
    
54.   static double w;
    
55.   
    
56.   
    
57.   public static void main(String[] args) {
    
58.    
    
59.     input_filing = JOptionPane.showInputDialog(null, "Select your status:\n0. Single\n1. Married Jointly\n2. Married Separately\n3. Household Owner", "Select your status",
    
60.                                                JOptionPane.QUESTION_MESSAGE);
    
61.    
    
62.     filing_status = Integer.parseInt(input_filing);
    
63.    
    
64.     input_income = JOptionPane.showInputDialog(null, "Input your income for month", "Input your income", JOptionPane.QUESTION_MESSAGE);
    
65.    
    
66.     tax_income = Integer.parseInt(input_income);
    
67.    
    
68.     switch(filing_status) {
    
69.       
    
70.       case 0 :
    
71.       a = single_range_1;
    
72.       b = single_range_2;
    
73.       c = single_range_3;
    
74.       d = single_range_4;
    
75.       e = single_range_5;
    
76. 
    
77.       if (tax_income <= single_range_1) {
    
78.         tax_rate = tax_rate_1;
    
79.       } else if (tax_income <= single_range_2) {
    
80.         tax_rate = tax_rate_2;
    
81.       } else if (tax_income <= single_range_3) {
    
82.         tax_rate = tax_rate_3;
    
83.       } else if (tax_income <= single_range_4) {
    
84.         tax_rate = tax_rate_4;
    
85.       } else if (tax_income <= single_range_5) {
    
86.         tax_rate = tax_rate_5;
    
87.       } else if (tax_income > single_range_5)  {
    
88.         tax_rate = tax_rate_6;
    
89.       
    
90.       }
    
91.       break;
    
92.       case 1 :
    
93.       a = married_range_1;
    
94.       b = married_range_2;
    
95.       c = married_range_3;
    
96.       d = married_range_4;
    
97.       e = married_range_5;
    
98. 
    
99.       
    
100.       if (tax_income <= married_range_1) {
     
101.         tax_rate = tax_rate_1;
     
102.       } else if (tax_income <= married_range_2) {
     
103.         tax_rate = tax_rate_2;
     
104.       } else if (tax_income <= married_range_3) {
     
105.         tax_rate = tax_rate_3;
     
106.       } else if (tax_income <= married_range_4) {
     
107.         tax_rate = tax_rate_4;
     
108.       } else if (tax_income <= married_range_5) {
     
109.         tax_rate = tax_rate_5;
     
110.       } else {
     
111.         tax_rate = tax_rate_6;
     
112.       }
     
113.       break;
     
114.       case 2 :
     
115.       a = marrieds_range_1;
     
116.       b = marrieds_range_2;
     
117.       c = marrieds_range_3;
     
118.       d = marrieds_range_4;
     
119.       e = marrieds_range_5;
     
120. 
     
121.       if (tax_income <= marrieds_range_1) {
     
122.         tax_rate = tax_rate_1;
     
123.       } else if (tax_income <= marrieds_range_2) {
     
124.         tax_rate = tax_rate_2;
     
125.       } else if (tax_income <= marrieds_range_3) {
     
126.         tax_rate = tax_rate_3;
     
127.       } else if (tax_income <= married_range_4) {
     
128.         tax_rate = tax_rate_4;
     
129.       } else if (tax_income <= marrieds_range_5) {
     
130.         tax_rate = tax_rate_5;
     
131.       } else {
     
132.         tax_rate = tax_rate_6;
     
133.       }
     
134.       break;
     
135.       case 3 :
     
136.       a = owner_range_1;
     
137.       b = owner_range_2;
     
138.       c = owner_range_3;
     
139.       d = owner_range_4;
     
140.       e = owner_range_5;
     
141. 
     
142.       if (tax_income <= owner_range_1) {
     
143.         tax_rate = tax_rate_1;
     
144.       } else if (tax_income <= owner_range_2) {
     
145.         tax_rate = tax_rate_2;
     
146.       } else if (tax_income <= owner_range_3) {
     
147.         tax_rate = tax_rate_3;
     
148.       } else if (tax_income <= owner_range_4) {
     
149.         tax_rate = tax_rate_4;
     
150.       } else if (tax_income <= owner_range_5) {
     
151.         tax_rate = tax_rate_5;
     
152.       } else {
     
153.         tax_rate = tax_rate_6;
     
154.       }
     
155.       break;
     
156.     }
     
157.     totalsum_1 = (tax_income * tax_rate_1 / 100);
     
158.     totalsum_2 = ((tax_income - a) * tax_rate_2 / 100) + (a * tax_rate_1 / 100);
     
159.     totalsum_3 = ((tax_income - b) * tax_rate_3 / 100) + ((b - a) * tax_rate_2 / 100) + (a * tax_rate_1 / 100);
     
160.     totalsum_4 = ((tax_income - c) * tax_rate_4 / 100) + ((c - b) * tax_rate_3 / 100) + ((b - a) * tax_rate_2 / 100) + (a * tax_rate_1 / 100);
     
161.     totalsum_5 = ((tax_income - d) * tax_rate_5 / 100) + ((d - c) * tax_rate_4 / 100) + ((c - b) * tax_rate_3 / 100) + ((b - a) * tax_rate_2 / 100) + (a * tax_rate_1 / 100);
     
162.     totalsum_6 = ((tax_income - e) * tax_rate_6 / 100) + ((e - d) * tax_rate_5 / 100) + ((d - c) * tax_rate_4 / 100) + ((c - b) * tax_rate_3 / 100) + ((b - a) * tax_rate_2 / 100) + (a * tax_rate_1 / 100);
     
163.     if (tax_rate <= tax_rate_1) {
     
164.       tax_result = totalsum_1;
     
165.     } else if (tax_rate <= tax_rate_2) {
     
166.       tax_result = totalsum_2;
     
167.     } else if (tax_rate <= tax_rate_3) {
     
168.       tax_result = totalsum_3;
     
169.     } else if (tax_rate <= tax_rate_4) {
     
170.       tax_result = totalsum_4;
     
171.     } else if (tax_rate <= tax_rate_5) {
     
172.       tax_result = totalsum_5;
     
173.     } else if (tax_rate <= tax_rate_6) {
     
174.       tax_result = totalsum_6;
     
175.     }
     
176.     System.out.println("The tax amount is " + tax_result);
     
177.    
     
178.   }
     
179. }

複製代碼

...

瀏覽完整內容，請先 註冊 或 登入會員