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Type: Posts; User: mohamed_mashood

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    Re: Implementing Interface

    yes i did firend
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    Re: Implementing Interface

    String data(date,day,breakfast,lunch,supper,other expenses and money borrowed) to display on that corresponding field's.

    I already created the object for all text field's on the run method then...
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    Re: Implementing Interface

    I am really sorry about this,Please refer below


    interface DataDisplayer{

    public void retrieveData();
    public void displayData();

    }
    public class DataManipulatorView implements...
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    Re: Implementing Interface

    I Have attached two program's as the text format,kindly help me.dont ignore me please
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    Re: Access insatance variables

    i hope you have seen my attachment.i found the source of exception,they are the text field's of the class DataManipulatorView.

    Take a look at the below sample code

    public interface...
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    Re: Implementing Interface

    Please i need help on this issue,i could not understand the problem

    This class is DataManipulatorView

    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import java.sql.*;...
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    Re: Sharing the particular object

    Thank you your post is very useful to me
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    Re: Access insatance variables

    Please reply me

    thank you
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    Re: Access insatance variables

    I have attached two files namely DATAMANIPULATORVIEW and UPDATERVIEW, that am facing the problem

    I could not post here as the file is too long.In the line of 272 in DATAMANIPULATORVIEW class and...
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    Re: Access insatance variables

    you are saying that i might suspect dm or one of the textfield's.

    but i have created object for all textfield's then i dont know why null pointer exception is throwing.

    I would be thankfull to...
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    Sharing the particular object

    Hi all,
    I am creating stand alone application in java

    i want to know how to share a particular object for all classes through out project

    Thank you
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    Re: Access insatance variables

    Thank you,but in my project i have two override method called retrieveData() and displayData() implemented by DataManipulatorView.

    DataManipulatorView is a class and it has many text fields,i am...
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    Access insatance variables

    Hi all,

    Sorry for very basic question,my question is "f i have over ride one method of an interface,can i access the instance variable of the implemented class from the over rided method?
    ...
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    Implementing Interface

    Hi all,
    I am doing one project called PERSONAL EXPENSES DATABASE,it has a more than 10 modules.some of that MAINLOGIN,DATAMANIPULATORVIEW,UPDATERVIEW,STOREDATA,UPDATER,UPDATERVIEW and so on.
    ...
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    Re: Reg:java and robotics

    Thank you , i will try my level best
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    Re: Reg:java and robotics

    Sure,i agree to use USB port to run the motor.but how? and which part in java need to learn for this?
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    Re: Reg:java and robotics

    I mean ,the port where we usually connect ear phone to computer.

    is it possible to do?
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    Re: Reg:java and robotics

    Very very thanks for your replay

    Actually i don't have any idea,my mind is blank about that.

    (this is the scenario)
    Assume that i have one dc motor,one laptop,connecting wires.
    am gonna use...
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    Reg:java and robotics

    Hai all

    I don t know that question is correct or not,but also am asking

    can i make a small dc motor to run through java programming language

    if any, what are the requirements to do so?
    ...
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    Re: validate the textfield

    thank you.
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    Re: validate the textfield

    can you give me the code?
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    Re: validate the textfield

    i did not tried anything?

    i have no idea.

    pls asist me
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    validate the textfield

    HI ALL

    can anyone pls help me to validate the texfield.
    example:

    i want the username textfield have to take only string value.
    if any one type an integer value,i want to tell error message...
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    Re: Reg:extending a jpanel

    pls help me.i need a solution immediately.
    thank you
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    Re: Reg:extending a jpanel

    because Registration is a separate class that extending JPanel. not inside in main frame.
    main frame only has login panel.login panel have register button to navigate Registration panel.

    And...
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