Hi, Do not use: java P.class Use only: java P M> I have a problem with i run this program: M> public class P M> { M> public P() M> { M> } M> public static void main( String[] args ) M> { M> System.out.println("hola"); M> } M> } M> in anyj and ocurr this error: M> Exception in Thread "main" java.lang.NoClassDefFoundError:insert M> I do not understand this error.what happend? M> Thanks. -- Best regards, Vladimir mailto:[EMAIL PROTECTED] ---------------------------------------------------------------------- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]