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Groups > comp.lang.java.programmer > #24425

Re: About java program.

From Robert Klemme <shortcutter@googlemail.com>
Newsgroups comp.lang.java.programmer
Subject Re: About java program.
Date 2013-06-16 17:28 +0200
Message-ID <b263siF2vkkU1@mid.individual.net> (permalink)
References <324f929f-772e-4004-81e1-6b454cdae794@googlegroups.com> <b24an6FlpvpU1@mid.individual.net> <UoednTl5R618JiDMnZ2dnUVZ8iadnZ2d@bt.com>

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On 16.06.2013 15:21, lipska the kat wrote:
> On 16/06/13 00:12, Robert Klemme wrote:
>> On 15.06.2013 22:38, rajbhaumik@gmail.com wrote:
>>> import acm.program.*;
>>> public class askYesNoQuestion extends ConsoleProgram {
>>>     public void run(){
>>>         String str=readLine("Would you like instructions");
>>>         println(askYesNoquestion(str));
>>>     }
>>> 7.        private boolean askYesNoquestion (String str){
>>>             if(str.equals("yes"))return true;
>>>             if(str.equals("no")) return false;
>>>     }
>>>
>>> }
>>> the false is that , the program cannot be executed, because no 7
>>> said, this method must return a type of boolean.
>>
>
> One possible solution (not compiled or tested)
>
> private boolean askYesNoquestion (String str){
>     boolean response = false;
>     if(str.equals("yes")){
>         response = true;
>     }
>     return response;
> }

Why are you making it so complicated?  Just do

private static boolean isStringYes(String str) {
    return str.equals("yes");
}

Or, for NPE safety:

private static boolean isStringYes(String str) {
    return "yes".equals(str);
}

Btw, I also changed the name because the method did not ask a question 
at all.

Cheers

	robert


-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/

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Thread

About java program. rajbhaumik@gmail.com - 2013-06-15 13:38 -0700
  Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-06-15 16:50 -0400
  Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-06-16 01:12 +0200
    Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-16 14:21 +0100
      Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-06-16 17:28 +0200
        Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-16 19:52 +0100
          Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-06-16 15:50 -0400
        Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-17 09:36 +0100
        Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-17 09:49 -0300
          Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-17 14:46 +0100
            Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-17 13:32 -0300
            Re: About java program. Joerg Meier <joergmmeier@arcor.de> - 2013-06-17 20:32 +0200
              Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-06-17 14:49 -0400
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-17 18:38 -0300
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-06-17 18:30 -0400
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-18 17:33 -0300
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 22:56 -0400
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-18 00:13 +0200
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-18 17:50 -0300
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-19 08:50 +0100
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-19 15:16 -0300
                Re: About java program. Lew <lewbloch@gmail.com> - 2013-06-19 16:20 -0700
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 13:31 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 18:16 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 19:21 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 20:07 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 20:21 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 20:40 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-07 22:20 -0400
                Re: About java program. Lew <lewbloch@gmail.com> - 2013-07-07 21:47 -0700
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 06:58 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 08:07 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 08:58 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 09:18 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 09:47 -0400
                Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-07-08 10:07 -0400
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-19 16:42 +0200
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-20 23:33 -0300
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-21 04:16 +0000
                Re: About java program. Joerg Meier <joergmmeier@arcor.de> - 2013-06-21 12:27 +0200
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-21 21:14 +0000
                Re: About java program. Joerg Meier <joergmmeier@arcor.de> - 2013-06-21 23:37 +0200
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-21 23:42 +0000
                Re: About java program. Gene Wirchenko <genew@telus.net> - 2013-06-24 13:00 -0700
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-24 21:29 +0000
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-24 21:42 +0000
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-21 23:59 -0300
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-06-22 13:30 +0000
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-21 16:24 +0200
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-21 22:39 -0300
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-22 19:25 +0200
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-22 19:41 +0100
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-23 03:53 +0200
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-23 09:21 +0100
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-24 18:57 +0200
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-24 18:14 +0100
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-22 09:03 +0100
                Re: About java program. Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2013-06-22 19:26 +0200
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-22 18:51 +0100
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 22:58 -0400
                Re: About java program. Joerg Meier <joergmmeier@arcor.de> - 2013-06-19 00:38 +0200
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-06-18 18:56 -0400
                Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-18 21:26 -0300
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-06-19 21:20 +0200
                Re: About java program. Sven Köhler <remove-sven.koehler@gmail.com> - 2013-06-20 11:23 +0300
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-06-20 19:18 +0200
                Re: About java program. blmblm@myrealbox.com <blmblm.myrealbox@gmail.com> - 2013-07-15 20:20 +0000
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-19 09:14 +0100
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-19 09:11 +0100
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 23:11 -0400
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-05 09:13 +0100
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-05 23:15 +0200
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-05 22:03 -0400
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-06 13:01 +0200
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-06 13:43 +0100
                Re: About java program. Martin Gregorie <martin@address-in-sig.invalid> - 2013-07-06 14:17 +0000
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-06 16:18 -0400
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-06 21:42 +0100
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-07-06 09:16 +0100
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-06 13:14 +0200
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-06 08:22 -0400
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-07 20:43 +0200
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-07 18:07 -0400
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-07 19:35 -0400
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-07 20:42 -0400
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-08 20:50 +0200
                Re: About java program. Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-07-08 15:01 -0400
                Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-07-08 23:29 +0200
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-06 16:27 -0400
                Re: About java program. Lew <lewbloch@gmail.com> - 2013-07-06 13:41 -0700
                Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-05 21:59 -0400
              Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-17 21:06 +0100
            Re: About java program. Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2013-06-17 17:36 -0500
              Re: About java program. Robert Klemme <shortcutter@googlemail.com> - 2013-06-18 08:24 +0200
              Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-18 09:03 +0100
                Re: About java program. Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2013-06-18 13:07 -0500
                Re: About java program. Lew <lewbloch@gmail.com> - 2013-06-18 14:48 -0700
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-19 08:36 +0100
              Re: About java program. Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-06-18 23:33 -0300
                Re: About java program. lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-06-19 08:34 +0100
            Re: About java program. Arne Vajhøj <arne@vajhoej.dk> - 2013-07-04 22:53 -0400
  Re: About java program. Roedy Green <see_website@mindprod.com.invalid> - 2013-06-16 07:04 -0700
  Re: About java program. Jeff Higgins <jeff@invalid.invalid> - 2013-06-18 04:06 -0400

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