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could not find or load the main class

a k m shamsudoha
Greenhorn

Joined: Apr 09, 2013
Posts: 15
why find the problem when i try to run this code which is in d:\world directory and my package name is world
the problem is given below
C:\Documents and Settings\Administrator>D:

D:\>CD world

D:\world>set CLASSPATH=.;d:;

D:\world>javac HelloWorld.java

D:\world>java world.HelloWorld
Error: Could not find or load main class world.HelloWorld

my java code is given below

Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 38844
    
  23
Welcome to the Ranch

I have added code tags which you should always use, and you can see how much better your post looks
Don’t set a classpath for such a simple app. You can only find the class of that name from outside the world folder. Try
cd ..
java world.HelloWorld
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: could not find or load the main class