Java - Interview Questions and Answers on Distributed Computing

Q1.  Explain EJB (Enterprise Java Beans) ?

Ans. EJB Provides a mechanism that make easy for Java developers to use advanced features in their components, such as remote method invocation (RMI), object/ relational mapping (that is, saving Java objects to a relational database), and distributed transactions across multiple data sources.

Q2.  What are some Java related technologies used for distributed computing ?

Ans. sockets, RMI, EJB

Q3.  What is J2EE? What are J2EE components and services? Does J2EE helps in developing distributed applications ?

Ans. J2EE or Java 2 Enterprise Edition is an environment for developing and deploying enterprise applications. The J2EE platform consists of J2EE components, services, Application Programming Interfaces (APIs) and protocols that provide the functionality for developing multi-tiered and distributed Web based applications.