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Error: cannot resolve symbol

2 replies on 1 page. Most recent reply: Jan 29, 2006 8:57 PM by Vijay Nathani

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Atreo De Maio

Posts: 2
Nickname: atreo
Registered: Jan, 2006

Error: cannot resolve symbol

Posted: Jan 27, 2006 3:38 PM

I have that error and I don't know what else I can try.
The situation is the following:

'PuntoI.java' is an interface.
'Punto.java' is a class.
'Punto2Di.java' pretends to be an implementation of 'PuntoI.java'

----jGRASP exec: javac -g D:\Universidad\2_Edi\2005-2006\PrJAVA\Punto2Di.java

Punto2Di.java:13: cannot resolve symbol
symbol : class PuntoI
location: class estructuras.Punto2Di
public class Punto2Di implements PuntoI
^
Punto2Di.java:22: cannot resolve symbol
symbol : class Punto
location: class estructuras.Punto2Di
public Punto construir(double X, double Y)

Any idea of the solution?

Thank you very very much for your attention and help.

Atreo De Maio

Posts: 2
Nickname: atreo
Registered: Jan, 2006

Re: Error: cannot resolve symbol

Posted: Jan 29, 2006 2:10 PM

I think I've done some progress...

I've writen the class 'Punto' and the interface 'PuntoI' inside a file called 'estructuras.java'.
When I compile two files are generated: 'Punto.class' and 'PuntoI.class'.

But I'm still trying with my other friend 'Punto2Di.java'. It doesn't compile due to this:

----jGRASP exec: javac -g D:\Universidad\2_Edi\2005-2006\estructuras\Punto2Di.java

Punto2Di.java:1: package estructuras does not exist
import estructuras.PuntoI;
^
Punto2Di.java:13: cannot access PuntoI
bad class file: .\PuntoI.class
class file contains wrong class: estructuras.PuntoI
Please remove or make sure it appears in the correct subdirectory of the classpath.
public class Punto2Di implements PuntoI
^
2 errors

I have another change to tell. Now the folder where these files are is called as the package 'estructuras'.

Maybe the error is because I have to include the package somewhere or I have to specify by the CLASSPATH or PATH variables.
I'm still very very new to these parameters and variables, but I'm trying...

Am I right?
Any suggestion?

Thank you very much for your help it's being great.
Edit/Delete Message

Vijay Nathani

Posts: 29
Nickname: vijaynath
Registered: Jan, 2006

Re: Error: cannot resolve symbol

Posted: Jan 29, 2006 8:57 PM

Please keep each class/interface in a seprate file.
It should compile fine as long as all of them are in the same directory.
I don't think that you need import or package statements.
Your classpath should either be unset or the current directory "." must be in it.
That should do it.
Vijay.

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