Advanced Java J2EE Interview Questions and Answers - 5

Question: 21

What is business method?

A method of an enterprise bean that implements the business logic or rules of an application.

Question: 22

What is Web container, distributed?

A web container that can run a Web application that is tagged as distributable and that executes across multiple Java virtual machines running on the same host or on different hosts.

Question: 23

What is application client container?

A container that supports application client components.

Question: 24

What makes J2EE suitable for distributed multitiered applications?

The J2EE platform uses a multitiered distributed application model. Application logic is divided into components according to function and the various application components that make up a J2EE application are installed on different machines depending on the tier in the multitiered J2EE environment to which the application component belongs. The J2EE application parts are

Client tier component run the client machine

Web tier components run on the J2EE server.

Business tier component run on the J2EE server.

Enterprise information system (EIS) tier software runs on the EIS server.

Question: 25

What can be considered as a web component?

J2EE Web components can be either servlets or JSP pages. Servlets are Java programming language classes that dynamically process requests and construct responses. JSP pages are text based documents that execute as servlets but allow a more natural approach to creating static content.