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Packages, Classes, Scope

Joe Lank
Greenhorn

Joined: Jun 08, 2004
Posts: 9
I've run into a little Object-Oriented-Programming trouble.

It began when I found myself unable to utilize packages(Multiple .class files in the same directory could not see each other, when package xxx; was put on top of each of them). Could somebody point me to a step-by-step package tutorial? I 'searched' the forums a while ago but didn't find something along those lines.

Then, despite my best efforts, there was trouble having my classes communicate properly(Calling each others' methods, passing arguments/parameters back and forth). So I just plopped everything into the now-mish-mash'ed public class.
Jeff Pavlocak
Greenhorn

Joined: Apr 26, 2004
Posts: 16
Hey Joe,

There may be a decent online tutorial for this, but in case you're interested, in the book "Head First Java" by Kathy Sierra and Bert Bates, they have a real good explanation of packages.

good luck,

Jeff
Chengwei Lee
Ranch Hand

Joined: Apr 02, 2004
Posts: 884
How about posting your codes here & let us see what could be wrong? And yes, HF Java should be able to get you into shape with all those stuffs.


SCJP 1.4 * SCWCD 1.4 * SCBCD 1.3 * SCJA 1.0 * TOGAF 8
Tony Morris
Ranch Hand

Joined: Sep 24, 2003
Posts: 1608
http://java.sun.com/docs/books/tutorial/java/interpack/packages.html


Tony Morris
Java Q&A (FAQ, Trivia)
 
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subject: Packages, Classes, Scope