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Program:
File name: “PrepareTax.java”
//Import necessary header files
import javax.swing.*;
//Define a class named PrepareTax
public class PrepareTax
{
//Define a main method
public static void main(String[] args)
{
//Declare a string of values
String entry = "", ssn, last, first, address, city, state, zip;
//Declare the variables
char status;
int x;
double income = 0;
boolean isGood = false;
/*Prompt the user for data as long as the
Social Security number is not in the correct format,
with digits and dashes in the appropriate positions*/
while(!isGood)
{
isGood = true;
//Prompt the user to enter SSN
entry = JOptionPane.showInputDialog(null,
"Enter your Social Security number");
/*If SSN is not in the correct format, with digits and dashes in the appropriate positions*/
if(entry.length() != 11)
isGood = false;
/*If SSN is in the correct format, with digits and
dashes in the appropriate positions*/
else
{
//For loop to be executed until x exceeds 3
for(x = 0; x < 3; ++x)
if(!Character.isDigit(entry.charAt(x)))
isGood = false;
//For loop to be executed until x exceeds 6
for(x = 4; x < 6; ++x)
if(!Character.isDigit(entry.charAt(x)))
isGood = false;
//For loop to be executed until x exceeds 11
for(x = 8; x < entry.length(); ++x)
if(!Character.isDigit(entry.charAt(x)))
isGood = false;
//If third and sixth character is a dash
if(!(entry.charAt(3) == '-') || !(entry.charAt(6) == '-'))
isGood = false;
}
}
//Assign the value
ssn = entry;
//Prompt the user to eter the first name
first = JOptionPane.showInputDialog(null,
"Enter your first name");
//Prompt the user to eter the last name
last = JOptionPane.showInputDialog(null,
"Enter your last name");
//Prompt the user to eter the address
address = JOptionPane.showInputDialog(null,
"Enter your address");
//Prompt the user to eter the city
city = JOptionPane.showInputDialog(null,
"Enter your city");
//Prompt the user to eter the state
state = JOptionPane.showInputDialog(null,
"Enter your state");
isGood = false;
/*Prompt the user for data as long as the
zip code is not five digits*/
while(!isGood)
{
isGood = true;
//Prompt the user to enter the zip code
entry = JOptionPane.showInputDialog(null,
"Enter your Zip code");
//If zip code is not five digits
if(entry.length() != 5)
isGood = false;
//Else zip code is five digits
else
//For loop to be executed until x exceeds 5
for(x = 0; x < 5; ++x)
if(!Character.isDigit(entry.charAt(x)))
isGood = false;
}
zip = entry;
isGood = false;
/*Prompt the user for data as long as the
marital status does not begin with one of
the following: S, s, M, or m*/
while(!isGood)
{
isGood = true;
//Prompt the user to enter the marital status
entry = JOptionPane...
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