error compiling the correct code

[eyeofsoul]

hello..i am really new to java..i am using netbean 4.1.i also install netbean 5.
the problem is i got this error when compiling my CopyFile.java.. the error said "java.lang.NoCl assDefFoundErro r: test1/CopyFile
Exception in thread "main"
Java Result: 1"

i am compiling using netbean 4.1

somebody plz help me..

[r035198x]

hello..i am really new to java..i am using netbean 4.1.i also install netbean 5.
the problem is i got this error when compiling my CopyFile.java.. the error said "java.lang.NoCl assDefFoundErro r: test1/CopyFile
Exception in thread "main"
Java Result: 1"

i am compiling using netbean 4.1

somebody plz help me..

You tried to run it before compiling it?

[epots9]

your paths to the java jdk may not be setup

[eyeofsoul]

thanks..i have solve the problem..just a little mistakes that cause all the chaos..