On Tue, 07 Mar 2006 00:00:08 +0000
"Mike Price" <mikeprice89@[...].com>  wrote:

>  I am currently working on a final year project where I am using tcl to 
>  interact with my JAVA program.  I have used msys to build the following 
>  programs (for Windows)
>  
>  >tcl8.4.12
>  >thread2.6.2
>  >tclBlend1.3.2
>  >Installed j2sdk1.4.2_11
>  
>  I have enabled threads for all of them and built them all without any 
>  errors.  I am then running jtclsh.bat in the command window and using the 
>  '%package require java' were it is returning 1.3.2 which is assume is 
>  correct.
>  
>  I have also developed a basic JAVA program with a simple class called 
>  'Hello' that I want to use to simply store the string sent from the tcl 
>  interpreter in a variable and then display the variable while running the 
>  java program.  Then I have run the following to try and send a variable to 
>  JAVA:
>  
>  % set jstr [java::new String "A Java String"]
>  java0x1
>  
>  Im guessing that java0x1 is the variable name that I need to reference but 
>  how do I use this variable in my JAVA program?

Well, java0x1 is a Java ref to an object. You need to pass it to a Java method
like so:

public class Test {
    static String str;

    public static void mymethod(String in_str) {
        str = in_str;
    }
}

Then you would invoke this Java method from Tcl like so:

set jstr [java::new String "A Java String"]
java::call Test mymethod $jstr

cheers
Mo DeJong

P.S.
You could also look into setting a field of a Java object using java::field.


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