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Java Forum / General / November 2006

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Help Java novice

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JavaNovice - 05 Nov 2006 08:36 GMT
Hi All,

I am new to this group and new to Java. Currently i am only six weeks
into a course. I am studying bioinformatics. Anyway i am working my way
through Java for dummies along side the coursework i am being set but i
have come to a roadblock.

I am trying to run the following code:-
import java.util.Scanner;
import static java.lang.System.out;

class ScoreBoard{

    public static void main(String args[]){
        Scanner myScanner = new Scanner(System.in);
        int hankees, socks;
        WhoWins who;

        out.print("Hankees and Socks scores?  ");
        hankees = myScanner.nextInt();
        socks = myScanner.nextInt();
        out.println();

        if (hankees > socks){
            who = WhoWins.home;
            out.println("The hankees win :-)");
        } else if (socks > hankees){
            who = WhoWins.visitor;
            out.println("The socks win :-(");
            } else {
            who = WhoWins.neither;
            out.println("It's a tie :-|");
            }

        out.println();
        out.println("Today's game is brought to you by");
        out.println("SnitSoft, the number one software");
        out.println("vendor in the Hankeevilee area.");
        out.println("SnitSoft is featured proudly in");
        out.println("Chapter 6. and remember, four out");
        out.println("of five doctors recommend SnitSoft");
        out.println("to their patients.");
        out.println();

        if (who == WhoWins.home){
            out.println("We beat 'em good. Didin't we?");
        }
        if (who == WhoWins.visitor){
            out.println("The umpire made an unfair call. ");
        }
        if (who == WhoWins.neither){
            out.println("The game goes into overtime.");
        }

        }

    }
But the compiler cannot find WhoWins enum type. I have installed the
latest jdk-6-beta2 with the relevent API documents and still no joy. I
was using jdk-1_5 with relevent API. I can just skip enum types but i
would rather get to the bottom of this. Also, i went onto Java sun
tutorials and copied and pasted their example of the enum type Day in a
piece of code into my complier. Again the same problen ; cannot find
symbol class Day. Help please i have exhausted all possibilities and i
am now just left scratching my very sore head.

Thanks
Sarah
xx
JanTheKing - 05 Nov 2006 10:11 GMT
Sarah,

Can you paste the compiler error in your post? Also provide the code
for the WhoWins enum.

Jan

> Hi All,
>
[quoted text clipped - 65 lines]
> Sarah
> xx
JavaNovice - 05 Nov 2006 14:50 GMT
Hi JanTheKing,

I have managed to get the code to compile but i am getting the
following error message :-

Welcome to DrJava.  Working directory is C:\Documents and
Settings\Steven\Desktop\Sarah Programming\Java
> java WhoWins
Error: No 'main' method in 'WhoWins' with arguments:
([Ljava.lang.String;)

Sarah

> Sarah,
>
[quoted text clipped - 72 lines]
> > Sarah
> > xx
Martin Gregorie - 05 Nov 2006 15:40 GMT
> Hi JanTheKing,
>
[quoted text clipped - 7 lines]
> ([Ljava.lang.String;)
> Sarah

You have to run the class containing the main() method, so start it with

java ScoreBoard

Signature

martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

IchBin - 05 Nov 2006 16:17 GMT
> Hi JanTheKing,
>
[quoted text clipped - 84 lines]
>>> Sarah
>>> xx

Sarah, as JanTheKing asked: What does your WhoWins class look like?

Signature

Thanks in Advance...                  http://ichbin.9999mb.com
IchBin, Pocono Lake, Pa, USA          http://weconsultants.phpnet.us
______________________________________________________________________
'If there is one, Knowledge is the "Fountain of Youth"'
-William E. Taylor, Regular Guy (1952-)

JavaNovice - 05 Nov 2006 17:27 GMT
Hi JanTheKing,

Sorry if i am being thick. But what do you mean, what does WhoWins look
like?

Sarah
> > Hi JanTheKing,
> >
[quoted text clipped - 93 lines]
> 'If there is one, Knowledge is the "Fountain of Youth"'
> -William E. Taylor, Regular Guy (1952-)
Daniel Pitts - 05 Nov 2006 22:45 GMT
> Hi JanTheKing,
>
> Sorry if i am being thick. But what do you mean, what does WhoWins look
> like?

First, please don't top post.
What does WhoWins look like? It looks like the contents of the
WhoWins.java file.  Because WhoWins is not a standard API somewhere, it
would have been useful for us to see its contents.

Anyway, as someone else has pointed out.  you need to run "java
ScoreBoard", as ScoreBoard is the java class that has a "public static
void main(String[])" method
Simon Brooke - 05 Nov 2006 22:59 GMT
>> >>> public static void main(String args[]){
>> >>> Scanner myScanner = new Scanner(System.in);
>> >>> int hankees, socks;
>> >>> WhoWins who;

...

>> >>> who = WhoWins.home;
...
>> >>> who = WhoWins.visitor;
...
>> >>> who = WhoWins.neither;
...
>> >>> But the compiler cannot find WhoWins enum type.
                                   ^^^^^^^ ^^^^ ^^^^

>> Sarah, as JanTheKing asked: What does your WhoWins class look like?
>
> Sorry if i am being thick. But what do you mean, what does WhoWins look
> like?

I think she's using an enum type called WhoWins, not a class. Still, could
we see the definition of it, please?

Signature

simon@jasmine.org.uk (Simon Brooke) http://www.jasmine.org.uk/~simon/

       Error 1109: There is no message for this error

Daniel Pitts - 05 Nov 2006 23:23 GMT
> I think she's using an enum type called WhoWins, not a class. Still, could
> we see the definition of it, please?

Actually, in Java, an enum type is a class. But yes, we are all asking
for the definition of WhoWins.


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