J2EE Interview Questions and Answers

Answer - 21 : - A JavaBeans component that corresponds to a JSP page that includes JavaServer Faces components. The backing bean defines properties for the components on the page and methods that perform processing for the component. This processing includes event handling, validation, and processing associated with navigation.

Answer - 22 : - An authentication mechanism in which a Web server authenticates an entity via a user name and password obtained using the Web application's built-in authentication mechanism.

Answer - 23 : - The mechanism whereby data transfer between an entity bean's variables and a resource manager is managed by the entity bean.  

Answer - 24 : - A transaction whose boundaries are defined by an enterprise bean.  

Answer - 25 : - Generating the code needed to process a well-defined portion of XML data.  

Answer - 26 : - Wiring UI components to back-end data sources such as backing bean properties.  

Answer - 27 : - The XML file that contains one or more asant targets. A target is a set of tasks you want to be executed. When starting asant, you can select which targets you want to have executed. When no target is given, the project's default target is executed.  

Answer - 28 : - The code that implements the functionality of an application. In the Enterprise JavaBeans architecture, this logic is implemented by the methods of an enterprise bean.  

Answer - 29 : - A method of an enterprise bean that implements the business logic or rules of an application.  

Answer - 30 : - Component methods called by the container to notify the component of important events in its life cycle.