Thread: helloworld noob

that's weird. No idea how you get that error.
Could be a bad JDK install. Can you go to a command prompt and enter: Set
to display your environment variables. Then copy the contents of the screen here:
Click on Icon in upper left corner
Select Edit
Select 'Select All' - The selection will show
Click in upper left again
Select Edit and click 'Copy'
Paste here.

Where is the javac.exe command located?

Microsoft Windows [Version 6.0.6002]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Dan>set
ALLUSERSPROFILE=C:\ProgramData
APPDATA=C:\Users\Dan\AppData\Roaming
CLASSPATH=.;C:\Program Files (x86)\Java\jre6\lib\ext\QTJava.zip
CommonProgramFiles=C:\Program Files\Common Files
CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files
COMPUTERNAME=DAN-PC
ComSpec=C:\Windows\system32\cmd.exe
DFSTRACINGON=FALSE
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Users\Dan
LOCALAPPDATA=C:\Users\Dan\AppData\Local
LOGONSERVER=\\DAN-PC
NUMBER_OF_PROCESSORS=4
OS=Windows_NT
Path=c:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;
C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\Autodesk\Backburner\;
C:\Program Files (x86)\Common Files\Autodesk Shared\;C:\Program Files (x86)\Quic
kTime\QTSystem\
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WS F;.WSH;.MSC
PROCESSOR_ARCHITECTURE=AMD64
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 23 Stepping 7, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=1707
ProgramData=C:\ProgramData
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
PROMPT=$P$G
PUBLIC=C:\Users\Public
QTJAVA=C:\Program Files (x86)\Java\jre6\lib\ext\QTJava.zip
SESSIONNAME=Console
sourcesdk=c:\program files (x86)\steam\steamapps\y2j101\sourcesdk
SystemDrive=C:
SystemRoot=C:\Windows
TEMP=C:\Users\Dan\AppData\Local\Temp
TMP=C:\Users\Dan\AppData\Local\Temp
TRACE_FORMAT_SEARCH_PATH=\\NTREL202.ntdev.corp.mic rosoft.com\34FB5F65-FFEB-4B61-
BF0E-A6A76C450FAA\TraceFormat
USERDOMAIN=Dan-PC
USERNAME=Dan
USERPROFILE=C:\Users\Dan
VProject=c:\program files (x86)\steam\steamapps\SourceMods\mymod
VS100COMNTOOLS=C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools
\
windir=C:\Windows

C:\Users\Dan>

Well at first the javac command was not recgonized. the path was C:\Program Files (x86)\Java\jdk1.6.0_20\bin

so i copied all the .exe from the folder and pasted them in my system32 folder and then thats when i got that error

thanks for replying!

The javac.exec command probably expects to be in a folder with all the parts it needs.
Delete the one you copied to the system32 folder and add an entry to the PATH environment variable that ends in the jdk's bin folder.
Here's what my PATH variable has:

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

D:\Norms\Norms Tools>path
PATH=C:\Program Files\PHP\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDO WS\System32\Wb
em;C:\Program Files\Java\jdk1.5.0_04\bin;C:\BatchFiles;C:\Program Files\Support
Tools\;C:\WINDOWS\system32\WindowsPowerShell\v1.0; C:\Program Files\QuickTime\QTS
ystem\

D:\Norms\Norms Tools>

The PATH environment variable is set from the Settings | Control Panel | System panel.
Select the Advanced tab and Click on the Environment variables button.
At the bottom in System Variables, find the PATH entry and click the Edit button
Its a stupid small text field so be careful.

btw i copied everything from the bin folder to system32

That is NOT the way to do it. Don't mix app code with system code like that. Sure way for a disaster.

You must put the class into the a folder named helloworldapp, or you can remove the package declaration.

I don't think the package statement is a problem for this use of the javac command. It will be a problem when the OP tries to execute the program if the class file is not in that folder and the java command is not issued in the folder containing the package folder and the package is left off with the java command:
java helloworldapp.HelloWorldApp

ok i changed the path to the jdk bin, and tried it again. good news no errors. bad news, nothing happened. i double checked and it runs in IDE fine still. Have any other ideas?

I really do appreciate the help and patience!

nothing happened

Can you show the console for your test.

The javac command doesn't say anything if the compile was successful. Is there a .class file in the folder with the .java file?

oh yeah i forgot it made the .class, i just expect things to go wrong, but now when i try to run it i get this *sigh*

Please read ALL of post#8.

Please copy and paste contents of command prompt window vs screen prints:
Click on Icon in upper left corner
Select Edit
Select 'Select All' - The selection will show
Click in upper left again
Select Edit and click 'Copy'

Paste here.

can't seem to find a program anywhere that lets me open up a window for java

Are you asking for something different than the command prompt window?

To execute your program you need to be in the correct directory and issue the correct command. You are having a problem because of the package statement in your program. Remove the package statement and do it again and it should work.