import javax.swing.JOptionPane;
public class Exercise3_10{
public static void main(String[] args){
String statusString = JOptionPane.showInputDialog("Enter the filing status:\n"+
"(0-single filter, 1-married jointly,\n"+
"2-married separately, 3-head of household)");
int status = Integer.parseInt(statusString);
String incomeString = JOptionPane.showInputDialog("Enter the taxable income:");
double income = Double.parseDouble(incomeString);
double tax = 0;
if(status == 0){
if(income <= 6000)
tax = income*0.10;
else if(income <= 27950)
tax = 6000*0.10 + (income - 6000)*0.15;
else if(income <=67700)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (income - 27950)*0.27;
else if(income <=141250)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(income - 67700)*0.30;
else if(income <=307050)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (income - 141250)*0.35;
else
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (307050 - 141250)*0.35 + (income - 307050)*0.386;
}
else if(status == 1){
if(income <= 12000)
tax = income*0.10;
else if(income <= 46700)
tax = 12000*0.10 + (income - 12000)*0.15;
else if(income <=112850)
tax = 12000*0.10 + (46700 - 12000)*0.15 + (income - 46700)*0.27;
else if(income <=171950)
tax = 12000*0.10 + (46700 - 12000)*0.15 + (112850 - 46700)*0.27 +
(income - 112850)*0.30;
else if(income <=307050)
tax = 12000*0.10 + (46700 - 12000)*0.15 + (112850 - 46700)*0.27 +
(171950 - 112850)*0.30 + (income - 171950)*0.35;
else
tax = 12000*0.10 + (46700 - 12000)*0.15 + (112850 - 46700)*0.27 +
(141250 - 67700)*0.30 + (307050 - 171950)*0.35 + (income - 307050)*0.386;
}
else if(status == 2){
if(income <= 6000)
tax = income*0.10;
else if(income <= 27950)
tax = 6000*0.10 + (income - 6000)*0.15;
else if(income <=67700)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (income - 27950)*0.27;
else if(income <=141250)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(income - 67700)*0.30;
else if(income <=307050)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (income - 141250)*0.35;
else
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (307050 - 141250)*0.35 + (income - 307050)*0.386;
}
else if(status == 3){
if(income <= 6000)
tax = income*0.10;
else if(income <= 27950)
tax = 6000*0.10 + (income - 6000)*0.15;
else if(income <=67700)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (income - 27950)*0.27;
else if(income <=141250)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(income - 67700)*0.30;
else if(income <=307050)
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (income - 141250)*0.35;
else
tax = 6000*0.10 + (27950 - 6000)*0.15 + (67700 - 27950)*0.27 +
(141250 - 67700)*0.30 + (307050 - 141250)*0.35 + (income - 307050)*0.386;
}else{
System.out.println("Error: invalid status");
System.exit(0);
}
JOptionPane.showMessageDialog(null,"Tax is " + (int)(tax * 100) / 100.0);
}
}
java语言程序设计基础篇（第六版）课后编程练习答案 （256个子文件） 
Exercise5_15.class 2KB Exercise5_24.class 2KB Exercise4_1.class 2KB Exercise8_22.class 1KB Exercise6_16.class 1KB Exercise12_6.class 1KB Rectangle.class 1KB Exercise5_19.class 1KB Exercise9_2$Person.class 1KB Account.class 1KB Exercise13_4$DrawMutiplicationTable.class 1KB Exercise9_2$MyDate.class 1KB Exercise3_1.class 1KB Exercise12_1.class 1KB Exercise5_6.class 1KB Exercise9_2$Employee.class 1KB Exercise4_19.class 1KB Exercise12_3.class 1KB Exercise8_9.class 1KB Exercise12_2.class 1KB Exercise6_24.class 1KB Exercise8_2.class 1KB Exercise8_6.class 1KB Exercise5_16.class 1KB Exercise5_2.class 1KB Exercise3_4.class 1KB Exercise8_13.class 1KB Exercise6_18.class 1KB Exercise8_18.class 1KB Exercise3_11.class 1018B Time.class 1014B Exercise9_2$Student.class 1005B Exercise8_15.class 990B Exercise9_2$Faculty.class 990B Exercise7_3.class 984B Exercise6_13.class 975B Exercise5_23.class 962B Exercise6_5.class 875B Exercise6_9.class 844B Exercise4_7.class 810B Exercise13_10.class 758B Exercise13_4.class 747B Exercise4_20.class 746B Exercise7_1.class 625B Exercise13_10$DrawPanel.class 590B Exercise7_7.class 538B Exercise9_2.class 507B RandomCharacter.class 490B Exercise3_10.java 3KB Exercise9_2.java 3KB Exercise7_6.java 3KB StillClock.java 3KB Exercise10_10.java 2KB FigurePanel.java 2KB Exercise7_3.java 2KB MessagePanel.java 2KB MessagePanel.java 2KB TestSwingCommonFeature.java 2KB Exercise4_28.java 2KB Exercise4_29.java 2KB Exercise5_24.java 2KB Exercise5_15.java 2KB Exercise14_9.java 2KB ButtonDemo.java 1KB Exercise7_4.java 1KB DrawPolygon.java 1KB Exercise13_8.java 1KB Exercise7_8.java 1KB Exercise4_18.java 1KB Exercise7_2.java 1KB Exercise7_9.java 1KB Exercise14_3.java 1KB Exercise14_8.java 1KB Exercise13_7.java 1KB KeyEventDemo.java 1KB Exercise14_10.java 1KB Exercise13_4.java 1KB Exercise12_6.java 1KB Exercise14_7.java 1KB Exercise2_12.java 1KB Exercise7_1.java 1KB ImageViewer.java 1KB Exercise6_16.java 1KB Rectangle.java 1KB Exercise3_1.java 1KB Exercise14_4b.java 1KB Exercise14_5.java 1KB Exercise7_12.java 1KB Exercise14_6.java 1KB Exercise6_19.java 1KB TestCenterMessage.java 1KB Exercise10_4.java 1KB Exercise12_5.java 1KB Exercise4_1.java 1KB Exercise14_1.java 1KB GeometricObject.java 1KB Exercise4_22.java 1KB SixFlags.java 1KB Exercise5_19.java 1KB Exercise2_11.java 1KB共 256 条
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