Need help about classpath and packages

I am new to jAVA and trying to learn packages.I wrote a java programme called AccountBalance.java with package MyPack;
I set the classpath as C:\java programs\MyPack.
My java program was compile fine BUT classes were not creating in MyPack folder.
Cananyone suggest how java programs create the classes in ClassPath specified folder automatically.
Thanks

Here you want to create your class file in a separate package.
Actually the creation of class will happen at the time of compilation.
So you have to take care about it at the time of compilation.
try this one to compile your source file:
javac <java source file name> -d <targetplace>
the java source file name is your source file name and -d is switch that is used to create the package(directory) and the target place is the location where you want to create your package. if you want to create your package in the current directory then you can simply give
javac <java source file name> -d .
try this one all the best. if it's not working then reply me so that i can check myself and try to find another solution for that.
thank you
bye

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The configuration of my computer is:
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The directory (-ies) you specify in CLASSPATH are root entries telling the JVM where to start looking for classes. Why root entries? Well, the package structure is reflected in the directory structure relative to these roots. So a class of package t belongs into the subdirectory t of one of the directories specified in your CLASSPATH. This would be the case of your class a - by the way, the convention says that class names are capitalized. Since class b, on the other hand, is not in any package, it belongs irirectly into one of the directories of your CLASSPATH.
Whereas the compiler is fairly forgiving about the location of your source files, the JVM is not. Invoking a class of some package requires you to provide the fully-qualified name to the java command. So if you wanted to run class a, you would have to invoke "java t.a". Starting class b, simply requires a call of "java b". But make sure the class file of class a is located in the subdirectory t of one of the directories specified in your CLASSPATH.

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