[harrisbk]

/** Mortgage Calculator **/
/** Brenda Harris **/
/** Prg421		 **/
/** Jan 19 2009  **/

import java.swing.*;
import.java.awt.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import java.Math;
import java.text.DecimalFormat;
import javax.swingJOptionPane;
importnjavax.swing.ButtonGroup;

public class MortgageCalculatorServiceRequest extends JFrame
{
public static void main(String[]args)
{
new MortgageCalculatorServiceRequest()
{
//Declare buttons, text fields, and labels
private JButton calculate;
private JButton exit;
private JTextField enterAmount;
private JTextField enterInterest;
private JTextField enterMonth;
private JLabel Principle;
private JLabel interest;
private JLabel month rate;
private JLabel data;
private JLabel data1;
private JLabel data2;
private JRadioButton term30;
private JRadioButton term15;
private JRadioButton term7;

Date currentDate = newDate(); //Date constructor
// Define a decimal format for monetary values
double NumberOfYears,InterestRate,Principle,MonthlyPayment;
DecimalFormat dfMonetaryFormat = new DecimalFormat("$#,###.##");

//Define Program Variables needed for monthly payment calculation
InterestRate[0] = .0575; //*5.75% interest rate
NumberOfYears= 30.00; //*30 year
Principle = 200000.00; // *$200,000 Loan
MonthlyPayment = ((5.75/100/12)(30*12)*200000);

Interest rate[1] =.055; //5.5% interest rate
NumberOfYears= 15.00; //*15 year
Principle = 200000.00; // *$200,000 Loan
MonthlyPayment = ((.055/100/12)(15*12)*200000);

Interest rate[2] =.0535; //5.35% interest rate
NumberOfYears= 7.00; //*7 year
Principle = 200000.00; // *$200,000 Loan
MonthlyPayment = ((.0535/100/12)(7*12)*200000);


//Call Calculate monthly payment() Calculate the number of monthly payments.
MonthlyPayment = CalculateMonthlyPayment (Principle,InterestRate,NumberOfYears);
//Call CalculateInterestAmount= CalculateMonthlyInterest (MonthlyPayment, Principle, NumberOfYears);
//MonthlyPayment, MonthlyInterest,and Principal balance)
//Print out the values for the Principle balance, interest rate, and number of years.
//Display the Mortgage Payment amount, principle balance, interest rate for each mortgage payment for term of loan;

//Create the event listener
ClickListener click=new ClickListener();

// Create Action Listeners
calculate.addActionListener(click);
exit.addActionListener(click);
calc.addActionListener(click);
}

//begin the events
private class ClickListener implements ActionListener
public void actionPerformed(ActionEvent)
{
if (getSource() ==calc) //if user clicks the calculate button
{
try
{
//convert text into numbers
dfMonetaryFormat= enterAmount, getText();

//create the arrays for three different loans
int terms[] = (30, 15, 7);//loan in years
double InterestArray[]= 5.75, 5.55, 5.35);//interest as a percent

//Array 1
if (term30.is selected())
{
double InterestRate[0] = .0575; //*5.75% interest rate
double NumberOfYears= 30.00; //*30 year
double Principle = 200000.00; // *$200,000 Loan
double MonthlyPayment = ((5.75/100/12)(30*12)*200000);

//create number format
NumberFormat fixdecimal= NumberFormat,getNumberInstance();
fixdecimal.setMinimumFractionDigits(2);
fixdecimal.setMaximumFractionDigits(2);

//create counter
for (int x = 0; x <= term0; x++)
{
interestpay = (remainBal * interest0);
double interestout = 0;
remainBal = (remainBal - (payment - interestpay));
interestout = (interestout + interestpay);

// The output based on amount input and loan selection.
JOptionPane.showMessageDialog(null, "Original Balance = $" + receiveAmount +
"\nPayment #" + x + "\nMonthly Payment $" + fixdecimal.format(payment) +
"\nRemaining Balance $" + fixdecimal.format(remainBal) +
"\nInterest Paid $" + fixdecimal.format(interestpay),
"Payment History",
JOptionPane.showConfirmDialog(null, "Would you like to calculate a new amount?" + "\n\n(choose yes to continue or No to exit)"
JOptionPane,Yes_No_Option;
if (finalanswer==JOptionPane.No_Option
{
system.exit(0);
{
//if user chooses "yes" the amount field blanks out
enterAmount.setText(null);
}

//Array2
} else if (term15.isSelected())
{

double Interest rate[1] =.055; //5.5% interest rate
double NumberOfYears= 15.00; //*15 year
double Principle = 200000.00; // *$200,000 Loan
double MonthlyPayment = ((.055/100/12)(15*12)*200000);

//create the number format
NumberFormat fixdecimal = NumberFormat.getNumberInstance();
fixdecimal.setMinimumFractionDigits(2);
fixdecimal.setMaximumFractionDigits(2);

// Create counter
for (int x = 1; x <= term1; x++) {
interestpay = (remainBal * interest1);
double interestout = 0;
remainBal = (remainBal - (payment - interestpay));
interestout = (interestout + interestpay);
}


// The output based on amount input and loan selection.
JOptionPane.showMessageDialog(null, "Original Balance = $" + receiveAmount +
"\nPayment #" + x + "\nMonthly Payment $" + fixdecimal.format(payment) +
"\nRemaining Balance $" + fixdecimal.format(remainBal) +
"\nInterest Paid $" + fixdecimal.format(interestpay),
"Payment History",
JOptionPane.PLAIN_MESSAGE);
JOptionPane.showConfirmDialog(null, "Would you like to calculate a new amount?" + "\n\n(choose yes to continue or No to exit)"
JOptionPane,Yes_No_Option;
if (finalanswer==JOptionPane.No_Option
{
system.exit(0);
{
//if user chooses "yes" the amount field blanks out
enterAmount.setText(null);

//Array3
} else if (term7.isSelected())
{
double Interest rate[2] =.0535; //5.35% interest rate
double NumberOfYears= 7.00; //*7 year
double Principle = 200000.00; // *$200,000 Loan
double MonthlyPayment = ((.0535/100/12)(7*12)*200000);

// create the number format
NumberFormat fixdecimal = NumberFormat.getNumberInstance();
fixdecimal.setMinimumFractionDigits(2);
fixdecimal.setMaximumFractionDigits(2);

// Create counter
for (int x = 1; x <= term1; x++) {
interestpay = (remainBal * interest1);
double interestout = 0;
remainBal = (remainBal - (payment - interestpay));
interestout = (interestout + interestpay);
}


// The output based on amount input and loan selection.
JOptionPane.showMessageDialog(null, "Original Balance = $" + receiveAmount +
"\nPayment #" + x + "\nMonthly Payment $" + fixdecimal.format(payment) +
"\nRemaining Balance $" + fixdecimal.format(remainBal) +
"\nInterest Paid $" + fixdecimal.format(interestpay),
"Payment History",
JOptionPane.PLAIN_MESSAGE);
JOptionPane.showConfirmDialog(null, "Would you like to calculate a new amount?" + "\n\n(choose yes to continue or No to exit)"
JOptionPane,Yes_No_Option;
if (finalanswer==JOptionPane.No_Option
{
system.exit(0);
{
//if user chooses "yes" the amount field blanks out
enterAmount.setText(null);
}
}
}
catch (NumberFormatException)
{
}
}
// Create a new event
if (getSource() == calculate)
{
try {
// turn text entries into numbers
double receiveAmount = Double.parseDouble(enterAmount.getText());
double receivePerc = Double.parseDouble(enterInterest.getText());
double receiveTerm = Double.parseDouble(enterMonth.getText());
double receiveInterest = receivePerc;
double receiveTerms = receiveTerm;
double interest1 = (receiveInterest / (12 * 100));
double term1 = (receiveTerms * 12);
double term2 = (1 + interest1);
double pay1 = Math.pow(term2, -term1);
double payment = ((receiveAmount * interest1) / (1 - pay1));
double interestpay;
double remainBal = receiveAmount;

// create the number format
NumberFormat fixdecimal = NumberFormat.getNumberInstance();
fixdecimal.setMinimumFractionDigits(2);
fixdecimal.setMaximumFractionDigits(2);


// Create counter
for (int x = 1; x <= term1; x++)
{
interestpay = (remainBal * interest1);
double interestout = 0;
remainBal = (remainBal - (payment - interestpay));
interestout = (interestout + interestpay);





// The output based on amount input and loan selection.
JOptionPane.showMessageDialog(null, "Original Balance = $" + receiveAmount +
"\nPayment #" + x + "\nMonthly Payment $" + fixdecimal.format(payment) +
"\nRemaining Balance $" + fixdecimal.format(remainBal) +
"\nInterest Paid $" + fixdecimal.format(interestpay),
"Payment History",
JOptionPane.PLAIN_MESSAGE);
response = JOptionPane.showConfirmDialog(null,
"Would you like to calculate another payment?"
JOptionPane.YES_NO_OPTION);


//System.exit(0);//End Program
}
while(response == 0);
}
}

[Gloin]

Please use code tags around your code..

[ code]code here[ /code] (without the blanks)

This post has been edited by Gloin: 26 January 2009 - 02:41 PM

[Locke]

Gloin, for future reference, the automatic post for that is...

: code : (No spaces)

That yields...

This post has been edited by Locke: 26 January 2009 - 04:38 PM

[Gloin]

Oh man... Thank you so much.. it's a real pain writing that every time..
It's probably been there all the time too just I'm too blind to see it..

[Jayman]

Please describe the problem that you are having. Include a description of what you are trying to do. Include any error messages or unexpected output that you are receiving.

[pbl]

Jayman, on 26 Jan, 2009 - 05:48 PM, said:

Please describe the problem that you are having. Include a description of what you are trying to do. Include any error messages or unexpected output that you are receiving.

And full Edit your first post to give a more descriptive title than Java Help Me
not very usefull on a Java forum where you help people with coding problem