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Groups > comp.lang.java.programmer > #19192

Re: Object message?

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On 10/8/2012 12:52 PM, bob smith wrote:
> Can someone tell me why "message" is an Object here in javax.swing.JOptionPane?
>
> Why isn't it a String?
>
> showMessageDialog
> public static void showMessageDialog(Component parentComponent,
>                                       Object message)
>                                throws HeadlessException
> Brings up an information-message dialog titled "Message".
>

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

public class test8 {
     public static void main(String[] args) {
         EventQueue.invokeLater(new Runnable() {
             public void run() {
                 JLabel l = new JLabel("Because I'm an Object");
                 JOptionPane.showMessageDialog(null,l);
             }
         });
     }
}



-- 

Knute Johnson

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Thread

Object message? bob smith <bob@coolfone.comze.com> - 2012-10-08 12:52 -0700
  Re: Object message? Arne Vajhøj <arne@vajhoej.dk> - 2012-10-08 15:58 -0400
  Re: Object message? Knute Johnson <nospam@knutejohnson.com> - 2012-10-08 13:00 -0700
  Re: Object message? Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-08 16:13 -0400
  Re: Object message? Roedy Green <see_website@mindprod.com.invalid> - 2012-10-09 02:11 -0700
    Re: Object message? Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-10-09 23:46 +0200
      Re: Object message? Lew <lewbloch@gmail.com> - 2012-10-09 16:01 -0700

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