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Groups > comp.lang.java.programmer > #19193

Re: Object message?

From Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: Object message?
Date 2012-10-08 16:13 -0400
Organization A noiseless patient Spider
Message-ID <k4vc5f$5ht$1@dont-email.me> (permalink)
References <9621cdc5-4aa4-4057-894f-93ef69915871@googlegroups.com>

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On 10/8/2012 3:52 PM, bob smith wrote:
> Can someone tell me why "message" is an Object here in javax.swing.JOptionPane?

     Um, er, have you considered reading the class' Javadoc?

	"A descriptive message to be placed in the dialog box.
	In the 	most common usage, message is just a String or
	String constant. However, the type of this parameter
	is actually Object. Its interpretation depends on its
	type: [...]"

> Why isn't it a String?

     So it can be something other than a String, of course.

-- 
Eric Sosman
esosman@comcast-dot-net.invalid

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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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