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Thread: don't know what's wrong

  1. #1
    Junior Member james's Avatar
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    Red face don't know what's wrong

    Hey. guys it's me again I got this GUI program but I don't what kind of problem occuring in my program.This GUI program should convert seconds to years, weeks,days,hours,and minutes.Assume 1 year has 365 days.



    [

    import javax.swing.*;
    import java.awt.*;

    public class moimoi extends JFrame

    {
    private JLabel secondsL, yearsL, weeksL, daysL, hoursL, minuteL, SecondsL;
    private JButton calculateB, exitB;
    private JTextField SecondsTF, YearsTF, WeeksTF, DaysTF, HoursTF, MinuteTF, SecondsTF;
    private CalculateButtonHandler cbHandler;
    private ExitButtonHandler ebHandler;
    private static final int WIDTH = 326;
    private static final int HEIGHT = 450;

    public moimoi()
    {
    secondsL = new JLabel("Enter Seconds: ", SwingConstants.RIGHT);
    yearsL = new JLabel("Years: ", SwingConstants.RIGHT);
    weeksL = new JLabel("Weeks: ", SwingConstants.RIGHT);
    daysL = new JLabel("Days: ", SwingConstants.RIGHT);
    hoursL = new JLabel("Days: ", SwingConstants.RIGHT);
    minuteL = new JLabel("Minute: ", SwingConstants.RIGHT);
    SecondsL = new JLabel("Seconds: ", SwingConstants.RIGHT);

    secondsTF = new JTextField(13);
    yearsTF = new JTextField(13);
    weeksTF = new JTextField(13);
    daysTF = new JTextField(13);
    hoursTF = new JTextField(13);
    minuteTF = new JTextField(13);
    SecondsTF = new JTextField(13);



    calculateB = new JButton("Push");
    pbHandler = new PushButtonHandler();
    pushB.addActionListener(pbHandler);

    exitB = new JButton("Exit");
    ebHandler = new ExitButtonHandler();
    exitB.addActionListener(cbHandler);

    setTitle("Seconds Converter Program ");

    Container pane = getContentPane();

    pane.setLayout(new GridLayout (6, 3));

    pane.add(secondsL);
    pane.add(secondsTF);

    pane.add(yearsL);
    pane.add(yearsTF);

    pane.add(weeksL);
    pane.add(weeksTF);

    pane.add(daysL);
    pane.add(daysTF);

    pane.add(hoursL);
    pane.add(hoursTF);

    pane.add(minuteL);
    pane.add(minuteTF);

    pane.add(SecondsL);
    pane.add(SecondsTF);

    pane.add(calculateB);
    pane.add(exitB);

    setSize(WIDTH, HEIGHT);
    setVisible(true);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    private class CalculateButtonHandler implements ActionListener

    {
    public void actionPerformed(ActionEvent e)
    {
    double years, weeks, days, hours, minute, Seconds;


    seconds = Double.parseDouble(secondsTF.getText());
    years = 365 days * 86400 seconds ;
    weeks = 7 days * 86400 seconds ;
    days = 24 hours * 3600 seconds;
    hours = 60 minutes * 60 seconds;
    minute = 1 seconds * 60 seconds;
    Seconds = seconds;


    secondsTF.setText("" + String.format("%.2f%n", seconds));
    yearsTF.setText("" + String.format("%.2f%n", years));
    weeksTF.setText("" + String.format("%.2f%n", weeks));
    daysTF.setText("" + String.format("%.2f%n", days));
    hoursTF.setText("" + String.format("%.2f%n", hours));
    minuteTF.setText("" + String.format("%.2f%n", minute));
    SecondsTF.setText("" + String.format("%.2f%n", Seconds));


    }
    }

    private class ExitButtonHandler implements ActionListener
    {
    public void actionPerfomed(ActionEvent e)
    {
    System.exit(0);
    }
    }
    public static void main(String[] args)
    {

    moimoi moiObject = new moimoi();
    }
    }
    /]


  2. #2
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    Default Re: don't know what's wrong

    May i know from where you are getting your programs?

    I think you are not writing these programs yourself.

  3. #3
    Junior Member james's Avatar
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    Default Re: don't know what's wrong

    Well, the truth is that I wrote this programs on my own with the help from examples from Malik book's.

  4. #4
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    Default Re: don't know what's wrong

    Hi james I will suggest you to use Eclipse IDE so that you can have a look on different functions. Their parameters. how to use them. You can program much better then

  5. #5
    Junior Member james's Avatar
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    Unhappy Re: don't know what's wrong

    Well, Ihave made some changes to my program but I STILL HAVE ONE ERROR LEFT AND I DON'T KNOW WHAT I SHOULD DO TO IT.PLEASE HELP ME.HERE IS MY MODIFIED PROGRAM WITH ONE ERROR:

    [

    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    public class moimoi extends JFrame

    {
    private JLabel secondsL, YearsL, WeeksL, DaysL, HoursL, MinuteL, SecondsL;
    private JButton calculateB, exitB;
    private JTextField secondsTF, YearsTF, WeeksTF, DaysTF, HoursTF, MinuteTF, SecondsTF;
    private CalculateButtonHandler cbHandler;
    private ExitButtonHandler ebHandler;
    private static final int WIDTH = 326;
    private static final int HEIGHT = 450;

    public moimoi()
    {
    secondsL = new JLabel("Enter Seconds: ", SwingConstants.RIGHT);
    YearsL = new JLabel("Years: ", SwingConstants.RIGHT);
    WeeksL = new JLabel("Weeks: ", SwingConstants.RIGHT);
    DaysL = new JLabel("Days: ", SwingConstants.RIGHT);
    HoursL = new JLabel("Days: ", SwingConstants.RIGHT);
    MinuteL = new JLabel("Minute: ", SwingConstants.RIGHT);
    SecondsL = new JLabel("Seconds: ", SwingConstants.RIGHT);

    secondsTF = new JTextField(13);
    YearsTF = new JTextField(13);
    WeeksTF = new JTextField(13);
    DaysTF = new JTextField(13);
    HoursTF = new JTextField(13);
    MinuteTF = new JTextField(13);
    SecondsTF = new JTextField(13);



    calculateB = new JButton("Calculate");
    cbHandler = new CalculateButtonHandler();
    calculateB.addActionListener(cbHandler);

    exitB = new JButton("Exit");
    ebHandler = new ExitButtonHandler();
    exitB.addActionListener(cbHandler);

    setTitle("Seconds Converter Program ");

    Container pane = getContentPane();

    pane.setLayout(new GridLayout (7, 2));

    pane.add(secondsL);
    pane.add(secondsTF);

    pane.add(YearsL);
    pane.add(YearsTF);

    pane.add(WeeksL);
    pane.add(WeeksTF);

    pane.add(DaysL);
    pane.add(DaysTF);

    pane.add(HoursL);
    pane.add(HoursTF);

    pane.add(MinuteL);
    pane.add(MinuteTF);

    pane.add(SecondsL);
    pane.add(SecondsTF);

    pane.add(calculateB);
    pane.add(exitB);

    setSize(WIDTH, HEIGHT);
    setVisible(true);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    private class CalculateButtonHandler implements ActionListener

    {
    public void actionPerformed(ActionEvent e)
    {
    double seconds, years, weeks, days, hours, minute, Seconds;


    seconds = Double.parseDouble(secondsTF.getText());
    years = 365* days * 86400 * seconds ;
    weeks = 7 * days * 86400 * seconds ;
    days = 24 * hours * 3600 * seconds;
    hours = 60 * minute * 60 * seconds;
    minute = 1 * seconds * 60 * seconds;
    Seconds = seconds;


    secondsTF.setText("" + String.format("%.2f%n", seconds));
    YearsTF.setText("" + String.format("%.2f%n", years));
    WeeksTF.setText("" + String.format("%.2f%n", weeks));
    DaysTF.setText("" + String.format("%.2f%n", days));
    HoursTF.setText("" + String.format("%.2f%n", hours));
    MinuteTF.setText("" + String.format("%.2f%n", minute));
    SecondsTF.setText("" + String.format("%.2f%n", Seconds));


    }
    }

    private class ExitButtonHandler implements ActionListener
    {
    public void actionPerfomed(ActionEvent e)
    {
    System.exit(0);
    }
    }
    public static void main(String[] args)
    {

    moimoi moiObject = new moimoi();
    }
    }
    /]

    AND HERE IS THE ERROR;

    H:\JAVAFILES>javac moimoi.java
    moimoi.java:107: moimoi.ExitButtonHandler is not abstract and does not override
    abstract method actionPerformed(java.awt.event.ActionEvent) in java.awt.event.Ac
    tionListener
    private class ExitButtonHandler implements ActionListener
    ^
    1 error

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