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From: Lew <lewbloch@gmail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Java classpath question and how to run a program from command line?
Date: Mon, 28 Nov 2011 15:58:07 -0800 (PST)
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www wrote:
> Sorry. I am confused about how to run a Java class from command line(I
> can run it from Eclipse). I use Cygwin on Windows 7.
> This Java source file is  /cygdrive/d/project/src/A/B/C/
> MainWindow.java
> The class file(MainWindow.class) is located at /cygdrive/d/project/bin/
> A/BC/MainWindow.class (compiled by Eclipse)

I assume there's supposed to be a slash between that "B" and "C".

> MainWindow.java package is:
> 
> package A.B.C;
> 
> The following JAR files are also needed to run the program: /cygdrive/
> d/project/libs/*.jar
> 
> In Cygwin command window, "echo $CLASSPATH" does not show anything, so
> CLASSPATH has not been set.
> 
> Now in Cygwin command window, I am at /cygdrive/d/project/bin, I typed
> the command below, but it didn't work:
> 
> java -classpath /cygdrive/d/project/libs;. A.B.C.MainWindow

java -classpath 'd:/project/libs/*;." A.B.C.MainWindow

You don't get the JARs just by referencing the directory.  You need to read the documentation on classpaths.

-- 
Lew

> Can you help me on how to run it from the command line?
> 
> I also tried to set up CLASSPATH in .bashrc file beforehand:
> export CLASSPATH=/cygdrive/d/project/libs/;/cygdrive/d/project/bin
> I am confused: should I separate them by ";" or ":" ?
> I tried both ways, none of them is working: ". .bashrc" command
> complains or no complains, but MainWindow still cannot be run.
> 
> Thank you very much.