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My Java program won't run, please help. [message #899096] Mon, 30 July 2012 14:32 Go to next message
Cal Lef is currently offline Cal LefFriend
Messages: 3
Registered: July 2012
Junior Member
When I try to run my program this is all I get (In red font):



Usage: javaw [-options] class [args...]
(to execute a class)
or javaw [-options] -jar jarfile [args...]
(to execute a jar file)
where options include:
-d32 use a 32-bit data model if available
-d64 use a 64-bit data model if available
-server to select the "server" VM
-hotspot is a synonym for the "server" VM [deprecated]
The default VM is server.

-cp <class search path of directories and zip/jar files>
-classpath <class search path of directories and zip/jar files>
A ; separated list of directories, JAR archives,
and ZIP archives to search for class files.
-D<name>=<value>
set a system property
-verbose[:class|gc|jni]
enable verbose output
-version print product version and exit
-version:<value>
require the specified version to run
-showversion print product version and continue
-jre-restrict-search | -no-jre-restrict-search
include/exclude user private JREs in the version search
-? -help print this help message
-X print help on non-standard options
-ea[:<packagename>...|:<classname>]
-enableassertions[:<packagename>...|:<classname>]
enable assertions with specified granularity
-da[:<packagename>...|:<classname>]
-disableassertions[:<packagename>...|:<classname>]
disable assertions with specified granularity
-esa | -enablesystemassertions
enable system assertions
-dsa | -disablesystemassertions
disable system assertions
-agentlib:<libname>[=<options>]
load native agent library <libname>, e.g. -agentlib:hprof
see also, -agentlib:jdwp=help and -agentlib:hprof=help
-agentpath:<pathname>[=<options>]
load native agent library by full pathname
-javaagent:<jarpath>[=<options>]
load Java programming language agent, see java.lang.instrument
-splash:<imagepath>
show splash screen with specified image

Re: My Java program won't run, please help. [message #899107 is a reply to message #899096] Mon, 30 July 2012 15:02 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3245
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 7/30/2012 8:32 AM, Cal Lef wrote:
> When I try to run my program this is all I get (In red font):
>
>
>
> Usage: javaw [-options] class [args...]
> (to execute a class)
> or javaw [-options] -jar jarfile [args...]
> (to execute a jar file)
> [snip]

This forum is for Eclipse questions. For Java questions, I'd suggest
javaranch.com, jguru.com or stackoverflow.com.
Re: My Java program won't run, please help. [message #899119 is a reply to message #899107] Mon, 30 July 2012 15:25 Go to previous messageGo to next message
Cal Lef is currently offline Cal LefFriend
Messages: 3
Registered: July 2012
Junior Member
But this is an eclipse question. It's an error with eclipse, the code is fine.
Re: My Java program won't run, please help. [message #899127 is a reply to message #899119] Mon, 30 July 2012 15:41 Go to previous messageGo to next message
Cal Lef is currently offline Cal LefFriend
Messages: 3
Registered: July 2012
Junior Member
Clearly this forum is useless...
Re: My Java program won't run, please help. [message #899128 is a reply to message #899119] Mon, 30 July 2012 15:40 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3245
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 7/30/2012 9:26 AM, Cal Lef wrote:
> But this is an eclipse question. It's an error with eclipse, the code is
> fine.

I apologize, it appeared to be command line output from Java. You mean
to say that you right-clicked your Java class and chose Run As -> Java
Application?
Re: My Java program won't run, please help. [message #899131 is a reply to message #899119] Mon, 30 July 2012 15:43 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3245
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 7/30/2012 9:26 AM, Cal Lef wrote:
> But this is an eclipse question. It's an error with eclipse, the code is
> fine.

Or, are you trying to run Eclipse (rather than "your program") and this
is what you're seeing?

If this is the case, then you'll want to read:

http://wiki.eclipse.org/Eclipse.ini
Re: My Java program won't run, please help. [message #899132 is a reply to message #899127] Mon, 30 July 2012 15:44 Go to previous messageGo to next message
Russell Bateman is currently offline Russell BatemanFriend
Messages: 3245
Registered: July 2009
Location: Provo, Utah, USA
Senior Member

On 7/30/2012 9:41 AM, Cal Lef wrote:
> Clearly this forum is useless...

As far as that goes, here's something that's going to be very useful to
you in any forum:

http://www.catb.org/~esr/faqs/smart-questions.html
Re: My Java program won't run, please help. [message #899159 is a reply to message #899127] Mon, 30 July 2012 17:18 Go to previous message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 2335
Registered: July 2009
Senior Member
This is a forum, not an instant message chat. Less than one hour isn't long enough to wait for a response. Your original question showed us the result, but said nothing of what you did to get it. Most of us aren't psychic. As Russell mentioned, asking complete questions will get you better answers.

---
Nitin Dahyabhai
Eclipse WTP, IBM
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