Re: How to call a class from another class

From:
Lew <lew@lewscanon.com>
Newsgroups:
comp.lang.java.help
Date:
Sat, 18 Aug 2007 11:46:12 -0400
Message-ID:
<nKqdnUlZUaDYiVrbnZ2dnUVZ_vShnZ2d@comcast.com>
Andrew Thompson wrote:

dlittlebear@gmail.com wrote:

I do not know if I am saying that correctly. This is a school
project, I do not know how to get data from 2 different files called
Client.java and Attorney.java, both having data pulled in by
LawFirm.java


It seems that what you need in this 'data' are
instances of the class. The spec. calls for
5 client objects, and 2 attorney object instances.

To be able to use or reference the two classes from
within the LawFirm class, they will need to be
'imported' into it.

Classes in the default package are *automatically*
available (or 'imported') into other classes in the
default package, but for other packages, it becomes
more complicated.

Are your classes in a package? Is 'package' a term
that has come up in the course, yet?


Once you've used "import" or "package" to make sure that each class /can/
refer to another, then you have to make sure the class /does/ refer to an
instance of that other class.

This is done inside a "method" of the class.

Presumably all this is ocvered in your lecture notes? Is there any material
in your class notes related to "package", "import", "instance", "method" or
"constructor"? (Please answer.)

Sun has some excellent tutorials that will nicely supplement your class notes
and textbook(s). It is likely that they will approach these issues from
enough of a different angle to help you triangulate on the concepts.
<http://java.sun.com/docs/books/tutorial/index.html>

Do your professor or their teaching assistants offer any advice, where you
could go to their office and ask for some additional clarification?

Have you tried googling on your own at all for these concepts?

--
Lew

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