Can't find javac after the installation

I am a beginner and just start learning Java. I successfully downloaded and installed j2sdk-1_4_0-win.exe to my hard drive. However, when I tried to compile, I always got the message "Bad command". Based on some suggestions in the tutorial, I checked out my folder and did not find javac. So, my questions is: Does the application j2sdk-1_4_0-win.exe include javac? If it is included, how come I could never find it in the folder? If not, is there any supplementary application I need to download except j2sdk-1_4_0-win.exe?

I am a beginner and just start learning Java. I
successfully downloaded and installed
j2sdk-1_4_0-win.exe to my hard drive. However, when I
tried to compile, I always got the message "Bad
command". Based on some suggestions in the tutorial, I
checked out my folder and did not find javac. So, my
questions is: Does the application
j2sdk-1_4_0-win.exe include javac? If it is included,
how come I could never find it in the folder? If not,
is there any supplementary application I need to
download except j2sdk-1_4_0-win.exe?You installed the correct thing - but did you set the PATH correctly?
See: http://java.sun.com/j2se/1.4/install-windows.html
There should be c:\j2sdk1.4.0\bin\javac.exe. If it's not there, I don't understand how this could happen. Try uninstalling Java and reinstalling it in that case.
Monika.

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