This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
GenericServlet class implements the log method, declared in the ServletContext interface.
but how is this possible , as the class GenericServlet does not implement ServletContext interface.