Article View: borland.public.jbuilder.java.language
Article #19592Re: Still having trouble with textField, Integer conversion and math
From: Paul L. Mowatt
Date: Mon, 26 Jan 1998 00:00
Date: Mon, 26 Jan 1998 00:00
97 lines
3670 bytes
3670 bytes
This is a multi-part message in MIME format. --------------5C635083423E257871BD6077 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dan French wrote: > I'm stilltrying to figure this out so be patient...... > > My applet is going to take the users input from textField2, multiply it by > 1500, and display the answer in textField2 but it doesn't seem to work. I > know it's something simple I am missing. Any suggestions? The code is > below: > > String foot = textFieldControl3.getText(); > Integer.valueOf(foot); // Remove the above line (dead code). > Integer total = (Integer.valueOf(foot))*1500; // Change above line to... Integer total = new Integer(Integer.parseInt(foot) * 1500); > textFieldControl2.setText(String.valueOf(total)); > > without the *1500, the string from textFieldControl3 displays in > textFieldControl2 so I know I am grabbing the users input okay but I get an > error when I try to perform the calculation. What do you think? > > Any help is appreciated. > Dan French > email@macroworks.com > > Allan Bressler <abressler@earthlink.net> wrote in article > <34C66596.9E7F39AE@earthlink.net>... > > See the thread above called "Still trying to convert from string to > double" > > with myself as the sender. > > > > If you need more help, let me know. > > > > Allan > > > > Dan French wrote: > > > > > I want to develop a simple calculation applet that takes user (numeric) > > > input from a textFieldControl and simply displays the answer in a > second > > > textFieldControl. In other words, in textFieldControl1 the user is to > > > enter the number of square feet he or she wants to "finish" (this is a > > > floor finish calculator), and the applet will display the number of > gallons > > > needed for the job in textFieldControl2. > > > > > > The equation is simple; textFieldControl1 * 1500 = textFieldControl2. > What > > > is the best way to accomplish this? I can't seem to figure out how to > get > > > integers entered into textFieldControls into math formulas. > > > > > > please help > > > > > > Dan French > > > email@macroworks.com > > > > > > --------------5C635083423E257871BD6077 Content-Type: text/x-vcard; charset=us-ascii; name="vcard.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Paul Mowatt Content-Disposition: attachment; filename="vcard.vcf" begin: vcard fn: Paul Mowatt n: Mowatt;Paul org: Call Sciences, Inc. adr: 379 Thornall Street;;Suite 1100;Edison;NJ;08837;USA email;internet: plm@jamaica.tpsinc.com title: Senior Development Engineer tel;work: (732) 767-5428 tel;fax: (732) 767-5428 tel;home: (732) 767-5428 x-mozilla-cpt: reggae.callsciences.com;2 x-mozilla-html: TRUE version: 2.1 end: vcard --------------5C635083423E257871BD6077--
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f74b3,5c77b3db67a8a615 X-Google-Attributes: gidf74b3,public From: "Paul L. Mowatt" <plm@jamaica.tpsinc.com> Subject: Re: Still having trouble with textField, Integer conversion and math Date: 1998/01/26 Message-ID: <34CCC393.783D39A5@jamaica.tpsinc.com> X-Deja-AN: 319412098 References: <01bd28f2$df40bb40$a87f85cd@default> Mime-Version: 1.0 Reply-To: plm@jamaica.tpsinc.com To: Dan French <user@msn.com> Content-Type: multipart/mixed; boundary="------------5C635083423E257871BD6077" Organization: Call Sciences, Inc. "Reggae Boyz - Out of 32, one team" Newsgroups: borland.public.jbuilder.java.language