Java Program error need help
I am working on this program for class and I can't figure out why I am
getting class or interface expected on the last two { symbols. Please
help, I am not trying to cheat, just need a point in the write
direction. Thank you
/*
Author: Kevin Rosier
Course: POS 407
Assignment: Week 3 Mortgage Calculator
Written: Oct 16, 2006
Creates a sales tax calculator with a GUI.
*/
// class names
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import java.text.*;
import java.util.*;
import javax.*;
public class MortgageCalculatorGUIwk3 extends JFrame implements
ActionListener
{
JFrame mortgageFrame;
JPanel mortgagePanel;
JButton mortgageButton;
JButton clearButton;
JButton exitButton;
JLabel mortgageLabel;
JLabel interestrateLabel;
JLabel yearLabel;
JLabel paymentLabel;
JTextField mortgageField;
JTextField interestrateField;
JTextField yearField;
JTextField paymentField;
public MortgageCalculatorGUIwk3() //constructor
{
{
// defining JFrame
mortgageFrame = new JFrame("Calculate Your Mortgage Payment");
mortgageFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mortgageFrame.setSize(500,500);
//public static void main(String args[]){
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
AstractionButton aButton = (AbstractButton)
actionEvent.getSource();
boolean selected = abutton.getmodel().isSelected();
System.out.println(actionEvent.getActionCommand()
+ " - selected? " + selected);
}
};
//constructs Radio buttons
JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("Menu");
ButtonGroup buttonGroup = new ButtonGroup();
menu.setMnemonic(KeyEvent.VK_M);
JRaidoButtonMenuItem emptyMenuItem = new
JRadioButtonMenuItem();
empyMenuItem.setActionCommand("Empty");
emptyMenuItem.addActionListener(actionListener);
buttonGroup.add(emptyMenuItem);
menu.add(empyMenuItem);
JRadioButtonMenuItem oneMenuItem = new JRadioButtonMenuItem("7
years at 5.35%");
oneMenuItem.addActionListener(actionListener);
buttonGroup.add(oneMenuItem);
menu.add(oneMenuItem);
JRadioButtonMenuItem twoMenuItem = new JRadioButtonMenuItem("15
years at 5.5%");
twoMenuItem.addActionListener(actionListener);
buttonGroup.add(twoMenuItem);
menu.add(twoMenuItem);
JRadioButtonMenuItem threeMenuItem = new
JRadioButtonMenuItem("30 years 5.75%");
threeMenuItem.addActionListener(actionListener);
buttonGroup.add(threeMenuItem);
menu.add(threeMenuItem);
menuBar.add(menu);
frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
// defining JPanel
JPanel mortgagePanel = new JPanel(new GridLayout(7,2,10,30));
// defining contents on the panel
mortgageLabel = new JLabel("Mortgage Amount Desired");
interestrateLabel = new JLabel("Interest Rate Desired");
yearLabel = new JLabel("Years of Mortgage");
paymentLabel = new JLabel("Payment");
mortgageButton = new JButton("Your Monthly Payment Is");
clearButton = new JButton("Reset");
exitButton = new JButton("Exit");
// data for calculations
mortgageField = new JTextField("");
interestrateField = new JTextField("");
yearField = new JTextField("");
paymentField = new JTextField("");
paymentField.setEditable(false);
// Adding components to the GUI
mortgagePanel.add(mortgageLabel);
mortgagePanel.add(mortgageField);
mortgagePanel.add(interestrateLabel);
mortgagePanel.add(interestrateField);
mortgagePanel.add(yearLabel);
mortgagePanel.add(yearField);
mortgagePanel.add(mortgageButton);
mortgagePanel.add(clearButton);
mortgagePanel.add(exitButton);
mortgagePanel.add(paymentLabel);
mortgagePanel.add(paymentField);
mortgageFrame.add(mortgagePanel);
mortgageFrame.setVisible(true);
// action buttons
mortgageButton.addActionListener(this);
clearButton.addActionListener(this);
exitButton.addActionListener(this);
}
} //end constructor
// What action is to be performed
public void actionPerformed(ActionEvent e)
{
Object source = e.getSource();
if(source == mortgageButton) {
String sMortgage = mortgageField.getText();
String sInterestrate = interestrateField.getText();
String sYear = yearField.getText();
double mortgage = Double.parseDouble(sMortgage);
double interestrate = Double.parseDouble(sInterestrate);
double year = Double.parseDouble(sYear);
double numberOfPayments = year * 12;
double monthlyInterest = interestrate / 100 / 12;
double x = Math.pow(1+monthlyInterest, numberOfPayments);
double monthlyPayment = (mortgage * x * monthlyInterest)/(x-1);
DecimalFormat df = new DecimalFormat("$0,000.00");
paymentField.setText(df.format(monthlyPayment));
}
else if(source == clearButton)
{
mortgageField.setText("");
interestrateField.setText("");
yearField.setText("");
}
else if(source == exitButton)
{
System.exit(0);
}
} // end actionPerformed
public static void main(String [] args) {
MortgageCalculatorGUIwk3 thisCalc = new MortgageCalculatorGUIwk3();
}; //end main
};
} //end class
}