Re: Issues with package declarations

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 03 Aug 2008 19:08:25 -0400
Message-ID:
<48963a66$0$90264$14726298@news.sunsite.dk>
ankur wrote:

On Aug 3, 2:16 pm, Arne Vajh?j <a...@vajhoej.dk> wrote:

ankur wrote:

On Aug 3, 1:07 pm, Arne Vajh?j <a...@vajhoej.dk> wrote:

ankur wrote:

This is what my class path contains:
.;C:\Program Files\Java\jdk1.6.0\bin;C:\Documents and Settings\Ankur
Agarwal\My Documents\eclipse\eclipse.exe;C:\Program Files\Java
\jre1.6.0_03\lib\ext\QTJava.zip;
My C:\Java Files contains thisisatest.java and NullTest.java
On windows cmd prompt I cd to C:\Java Files
and do
C:\Java Files>javac -d . NullTest.java
and then I do
C:\Java Files>javac thisisatest.java
which gives me the following error:
thisisatest.java:7: cannot access NullTest
bad class file: .\NullTest.java
file does not contain class NullTest
Please remove or make sure it appears in the correct subdirectory of
the classpath.
        NullTest var = new NullTest();
        ^
1 error
My NullTest.java contains:
package forpackagetest;
public class NullTest {
   final int c[] = {1,2};
           final int d[] = {1,2};
           //c = null;
    }
   class abc {
   }
   class def {
   }
My thisisatest.java contains:
import forpackagetest.*;
public class thisisatest {
public static void main ( String args[])
{
   NullTest var = new NullTest();
}
}
I do not understand why am I getting the error. Could you help ?

Package structure and directory structure must match.
package forpackagetest;
means that the files mus be:
forpackagetest\NullTest.java
forpackagetest\NullTest.class

So u r saying that I should create forpackagetest folder under C:\Java
Files manually.

Yes.

             Then what would be the use of :
C:\Java Files>javac -d . NullTest.java
command ?

You will use the same command down on the forpackagetest folder !


This does not make sense to me because I thought that -d option can
create the package subdirectory for you and to instantiate a class
object you only needed the .class files (I am instantiating NullTest
object in thisisatest ).


I forgot that.

So:

javac NullTest.java

or

javac -d .. NullTest.java

down in that dir.

Arne

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