There is perhaps a simpler approach, if you are interested.
You can make a shortcut directly to your javaw.exe, then provide the
necessary arguments in the "target" field for the shortcut itself.
Eg:
Target: "C:\Program Files\java150\bin\javaw.exe" -cp
"junit.jar;myproject\classes" -ea junit.awtui.TestRunner
will launch JUnit, without creating a DOS command window and without
needing a batch file. Of course, the "start minimized" will now apply
to your application's first window, so you'll probably want to set
that to normal.
Hope this helps!
-Frank
At 12:06 PM 9/10/2005, you wrote:
Thank you for the suggestions. I've found an acceptable way to
start a Java application on Windows, without using or displaying a
DOS command window. The only drawback is a brief flash of a taskbar button.
Here I will describe the way I've found. My platform is Java 5 on
Windows 2000.
STEP:
0. Verify a javaw command, that can launch your application from the
command prompt.
1. Create a batch file which contains "start" followed by your
application-launching command. For instance make a file named
"run.bat" which contains a line like, "start javaw MyClass".
2. Create a shortcut to that batch file. In the properties of the
shortcut set it to Run: Minimized.
3. Launch the application by double clicking on the shortcut.
Note that you cannot make this work by double clicking on the batch
filename, or on a jar or class filename. Unless you have discovered
more than I, which I would be glad to learn.
This works equally well with a main class file or with an executable jar file.
If you are curious, I experimented with permutations in the
application-launching command and tell what I found below. The
variations tested are:
"start" or not;
start with "/B" or not;
"java" or "javaw";
class or jar.
In all cases the shortcut is set to run minimized. The app was
launched by double clicking on the shortcut to the batch file.
APPLICATION-
LAUNCHING
COMMAND - results
java MyClass - the command prompt taskbar button (TBB) stays while
the app runs. Closing TBB closes the app.
javaw MyClass - TBB stays while the app runs,
but closing TBB does not close the app.
start java MyClass - The command window opens on the screen (in spite
of being minimized in the shortcut). Closing it closes the app.
start javaw MyClass - TBB flashes briefly. Otherwise behaves as
desired.
start /B javaw MyClass - same as above.
start /B java MyClass - TBB stays while app runs. Closing it closes the
app., like "java MyClass" above.
Rich Hammer
Hillsborough
Joe Sam Shirah wrote:
For whatever reason, the minds at Sun have not resolved it. About the
best you can do with javaw is to have a batch ( .bat ) file with this line
in it:
start /b javaw ClassYouWantToRun
*THEN*
in the shortcut properties, select
Run Minimized
You will still see a brief *minimized* DOS window on the taskbar (
----- Original Message ----- From: "Richard O. Hammer"
<[EMAIL PROTECTED]>
To: "Java Users Group" <[email protected]>
Sent: Thursday, September 08, 2005 9:11 PM
Subject: [Juglist] launching application in Windows without DOS
commandwindow
Is there an easy way to launch a Java Swing application in Windows 2000
without opening a DOS command window?
I know that I can make a .bat file containing "java ClassName" and then
double click on the file name, or create a shortcut to the .bat file,
but that always seems to open the command window which stays open as
long as the application is running.
My Googling has found Java Web Start, a lot about Java Web Start. I've
started looking at that and it looks like probably it would be easier
to
learn to use Java Web Start for my "hello world" application than it
would be to get a Masters degree.
But I still imagine that it can be easy. I am not concerned about
security. I am not loading anything over the net. I just want to
start
my local application with no more hassle than starting Notepad.
Can I create a Windows shortcut that says something like
java -classpath path1;path2 MyClass
to the Windows OS, without opening a command window?
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