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Thread: closing Frame

  1. #1
    twinkle is offline Member
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    Question closing Frame

    hello every body...


    my program is following

    import java.awt.*;
    import java.awt.event.*;

    class Frame1 extends Frame
    {
    Frame1(String title)
    {
    super(title);
    addWindowListener(new WindowAdapter()
    {
    public void windowClosing(WindowEvent me){ f1.dispose();}
    });
    }


    }

    public class Frameapplication
    {
    public static void main(String arg[])
    {
    Frame1 f1 = new Frame1("my first frame");
    f1.show();
    f1.setSize(200,200);
    }
    }



    Compilation of program is..

    C:\msc>javac Frameapplication.java
    Frameapplication.java:11: error: cannot find symbol
    public void windowClosing(WindowEvent me){ f1.dispose();}
    ^
    symbol: variable f1
    Note: Frameapplication.java uses or overrides a deprecated API.
    Note: Recompile with -Xlint:deprecation for details.
    1 error


    now how can i solve error in this program please give me answer??
    Last edited by twinkle; 07-28-2012 at 09:59 AM.

  2. #2
    eRaaaa is offline Senior Member
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    Default Re: closing Frame

    Don`t create graphical user interfaces if you don`t know the basics
    f1.dispose();
    ->
    dispose();
    or
    Frame1.this.dispose();

    f1 isn`t visible there

  3. #3
    twinkle is offline Member
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    Default Re: closing Frame

    ohk.... thank you so much....

  4. #4
    DarrylBurke's Avatar
    DarrylBurke is online now Forum Police
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