Latest Answer: Install Tomcat or JBoss for servlet containers. ...
What is the difference between Abstract Factory Pattern and factory Pattern? When would you use each of them?
Latest Answer: Abstract factory pattern is typically used for giving implementation to specification (eg., jdbc, servlet specifications etc...). Factory pattern is used when you want to defer object creation to later stages (when concrete implementation of that class/interface ...
How does the container manage to store the conversational state of the client in case of a Stateful Session Bean ?
Latest Answer: Struts created internal objects are simple class objects so does not support the all the features provided by ejb container such as transaction managment,persistancy,Security features ,Connection pooling etc. ...
In Distributable environment,what happens if our component throws an exception(may be checked/unchecked) to others who r using our component. we must handle here itself or let it leave to others to handle? plz. reply soon
Explain about 3-tier architecture in Java
Latest Answer: middle tier is primarly based on processing the bussiness logic. The main idea of dividing into tiers is like the application developer can concentrate on specific tier in developing webapplication and the changes that effect the entire application ...
How to write into the webcontainer and see those messages using public void log(String msg) and public void log(String msg ,Throwable t)?
What is the right way of writing the code to get the servlet information using public String getServletInfo()?
Latest Answer: its nothing but connection pool ...
Latest Answer: Hi Its gud codeI tried this and made connection pool but when i tried to call getConnection method of this class its giving me null value.can u tell me please how can i get the connection from this pool. ...
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