[program-java] Re: Beginning Java Ramblings

  • From: "William & Pamela " <pmcoats00@xxxxxxx>
  • To: <program-java@xxxxxxxxxxxxx>
  • Date: Wed, 2 Feb 2011 16:50:51 -0500

Hi, 

Question: Struts as opposed to what? If your project wasn't using Struts
what else would be equivalent to Struts? 


-----Original Message-----
From: program-java-bounce@xxxxxxxxxxxxx
[mailto:program-java-bounce@xxxxxxxxxxxxx] On Behalf Of Corbett, James
Sent: Wednesday, February 02, 2011 10:57 AM
To: 'program-java@xxxxxxxxxxxxx'
Subject: [program-java] Re: Beginning Java Ramblings

Jim:

You can have many so called public interfaces to a STRUTS / Java application
and none of them have a Main but before you get confused let's just say that
for a desktop application at this point there is a single public interface.

Jim


James M. Corbett

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E = MC²

-----Original Message-----
From: program-java-bounce@xxxxxxxxxxxxx
[mailto:program-java-bounce@xxxxxxxxxxxxx] On Behalf Of Homme, James
Sent: February 2, 2011 10:31
To: program-java@xxxxxxxxxxxxx
Subject: [program-java] Beginning Java Ramblings

Hi,



Please keep in mind that all I have studied so far is the first programming
chapter of Java For Programmers, by Deitel. We don't get to anything but
public classes until Chapter 8. Is this anywhere in the ballpark?



Here's an analogy that seems to work for me. If you've ever worked with sub
programs in Cobol, a public class is  something like a Cobol subprogram. A
Cobol subprogram is a program all by itself, with its own working storage
and routines. You can execute it from another Cobol program. The main Cobol
program can see all of the variables and routines in the subprogram. I'm
pretty sure that like Java, Cobol forces you to have one program per file.
In Java, you have to have one public class per file.



At this point, we haven't talked about any other methods besides main, so
that's all we know about methods. We don't know about private or anything
else right now.







Jim Homme,

Usability Services,

Phone: 412-544-1810. Skype: jim.homme

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