This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Faiza, Assuming your source file name is "divkabaita.java", you just have to move the <code>public</code> modifier from the divby0 class to the divkabaita class. Hope this solves the pb. Cheers, Beno�t