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#8344 - 03/02/03 07:09 PM Having trouble with java  
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alright, this is it. i cant seem to find the java program that i recently installed. by the way, thanks pergesu for the tutorials but i cant use them because i cant get the program runnin. if ne one knows whats wrong or what im not doing correctly, please help

much thanks,
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#8345 - 03/02/03 07:23 PM Re: Having trouble with java  
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Um, what do you mean? You can't find the java compiler? You can't find a program written in Java? You can't find an IDE you installed? What can't you find?

#8346 - 03/02/03 08:30 PM Re: Having trouble with java  
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sry about that. do i use notepad to write the program and open it in java? what do you need to write the programs? i cant find out where you can write java programs at. that is my question.

#8347 - 03/03/03 12:43 AM Re: Having trouble with java  
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You just need a text editor. Write the program with any old editor, so notepad, and then compile it.

#8348 - 03/03/03 05:03 AM Re: Having trouble with java  
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lol dont get aggrivated with me please. im such a newbie. so when i finish the program where do i go to compile it cause i cant find the compiler in the java software i downloaded.

once againi appreciate your help very much,
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#8349 - 03/03/03 08:20 AM Re: Having trouble with java  
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You compile it through DOS, or at least I did. check this link...

http://www.javaspot.net/articles.php?action=display&cat=1

this is Pergesu's site. Our resident java guru. His tuts are awsome. I am sure he will also help you more. But these tuts are what you need. Be sure to thank him and tell a friend.


My New site OpenEyes
#8350 - 03/03/03 01:24 PM Re: Having trouble with java  
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Don't worry, I won't get aggravated. I'm not so sure I cover installing the JDK in my tutorial, I probably should. They've got instructions though. If you've already installed it, then most likely you have to set the PATH environment variable in order to do it easily. What OS are you running? I only know how to do it in Win2K, which is probably not what you're using... But anyway, you need to append the directory which stores all the executables (java, javac, javaw, jar) to that environment variable. So look for the directory you installed everything into, which is probably C:\j2sdk1.4.1_01. Then edit your path variable so it has C:\j2sdk1.4.1_01\bin at the very beginning. I have no clue how to do this in 98/ME/XP, so if someone else wouldn't mind telling him how, I'd appreciate it. I gotta run to school :\

#8351 - 03/03/03 01:58 PM Re: Having trouble with java  
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That link goes over installing the SDK in windows. Has everything you need. Sorry I can't be more specific, but I gotta leave. Let me know if you have any problems.

http://java.sun.com/j2se/1.4.1/install-windows.html

#8352 - 03/03/03 03:22 PM Re: Having trouble with java  
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ok im totally lost. i dont know what im doing. i set the path and everything but i cant get it to compile i cant find out whats wrong. pleeeeeeeease i need some serious help on java. i might delete the program and start from scratch and see if that might work.

#8353 - 03/03/03 04:14 PM Re: Having trouble with java  
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I seem to rember having some issues when I tryed to learn Java.

Lemme think, First what version of windows are you running?

Second what directory did Java SDK install to?

third post what you type into DOS and what happens.


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#8354 - 03/03/03 04:29 PM Re: Having trouble with java  
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in runnin in windows 98 and i downloaded it to the c drive. then i set the path and tried to compile but it didnt recognize the name

#8355 - 03/03/03 05:48 PM Re: Having trouble with java  
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heh, I mean when you installed it. what is the path to it's folder.

something like

c:\program files\JAVA2.1.1


what is the path to the folder java is in, not your program. I think I had to set the path to the compiler javaw or something like that.


Here are the links when pergesu helped me with your problem...

http://rrfn.promodtecnologies.com/yabbse/index.php?board=11;action=display;threadid=795


My New site OpenEyes
#8356 - 03/03/03 09:29 PM Re: Having trouble with java  
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Have you installed it? Have you run the setup program, and it created a c:\j2sdk1.4.1_01 directory? If you haven't already, do that. Then go ahead and set the path. If you still can't get it working, copy and post the error. But I don't think you've even installed it, so make sure you have first.

#8357 - 03/03/03 09:59 PM Re: Having trouble with java  
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this is what i did

@C:\PROGRA~1\NORTON~1\NAVDX.EXE /Startup
@ECHO OFF
PATH=%PATH%;C:\jdk1.4.1_02/bin;C:\DOS if not exist toscd001 echo DEVICE=C:\DOS\toscdrom.sys >> c:\config.sys
if exist toscd001 c:\Windows\Command\mscdex /D:TOSCD001 /M:10

tell me if that is correct or do i need to do something diferent

#8358 - 03/03/03 10:37 PM Re: Having trouble with java  
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C:\j2sdk1.4.1_02\bin\javac hello.java
says error cant read hello.java

#8359 - 03/03/03 11:33 PM Re: Having trouble with java  
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alright, well the problem is is that file isn't in that directory. So go to the directory that you saved hello.java to and compile it.

#8360 - 03/04/03 03:53 AM Re: Having trouble with java  
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In DOS go to the directory that 'hello.java' is in and then type in 'javac hello.java' and try it, or is 'hello.java' already in the same directory as 'javac'? If it is, then I don't know what your problem could be.


Cha want some w***up?

http://www.dopeskill.com
#8361 - 03/04/03 03:57 AM Re: Having trouble with java  
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Damn pergesu, you typed and posted your message while I was typing mine cause I got distracted in the middle of typing it so it took me awhile, oh well.


Cha want some w***up?

http://www.dopeskill.com
#8362 - 03/07/03 12:01 AM Re: Having trouble with java  
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ok but how do i compile? do i just open it in an applet viewer or use dos?

#8363 - 03/07/03 02:45 AM Re: Having trouble with java  
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go into a command line (dos), and cd to the directory that has the file. Then run javac filename. Here's an example.

Code:
F:\>cd java\map

F:\java\map>javac Map.java

F:\java\map>java Map
**output not shown**
The first line just goes into the directory that has Map.java. The second entry is compiling the file. The third command actually runs the program, and I didn't show the output because it fills up a screen. So that's what you need to do.

#8364 - 03/07/03 09:26 PM Re: Having trouble with java  
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so this is what i did. i created a folder called java to store my programs. i did the "hello world" program and saved it as hello.java. i went to dos and typed in C:\>cd java and it said invalid directory. then i put the program in the bin folder and did C:\>cd j2sdk1.4.1_02\bin and it said invalid directory. then i did C:\>cd java \bin and so on and still got the same invalid directory. should i put C:\>cd java\hello or C:\>cd j2sdk1.4.1_02\bin\hello to do that?

#8365 - 03/07/03 10:31 PM Re: Having trouble with java  
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Um, your problem isn't with Java then. It's using the command line... so what exactly are you typing? Can you copy the text for us? Just highlight everything and hit enter, and it's copied. Then paste it in your response.

#8366 - 03/08/03 01:13 AM Re: Having trouble with java  
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C:\WINDOWS>cd java\hello
Invalid directory
C:\WINDOWS>cd java
Invalid directory

i set the path to C:\java

thats basically all i did

#8367 - 03/08/03 01:15 AM Re: Having trouble with java  
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java is the folder that hello.java is in

#8368 - 03/08/03 01:19 AM Re: Having trouble with java  
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well dude, there's your problem. You're trying to switch to a relative dir, and C:\WINDOWS\java doesn't exist. c:\java does. So what you need to type is:
C:\WINDOWS>cd c:\java

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