What are the interview questions for J2EE?
J2EE Interview Questions for Freshers
- What is J2EE?
- What are the main advantages of J2EE?
- What are some of the technologies provided by the J2EE platform?
- What are the various components of J2EE application architecture?
- How is JDK different from JIT?
What is bag type in J2EE?
Set, List, Array, Map, Bag are collection type in Hibernate.
What are the four components of J2EE application Mcq?
2) What are the four components of J2EE application?
- Application clients components.
- Servlet and JSP technology are web components.
- Business components (JavaBeans).
- Resource adapter components.
What is J2EE in Java with example?
Example: “J2EE stands for Java 2 Platform Enterprise Edition. The purpose of the J2EE platform is to develop multi-tier, web-based applications using a series of protocols and application programming interfaces (APIs).
What does J2EE consists of?
J2EE applications are made up of components such as JavaServer Pages (JSP), Java servlets, and Enterprise JavaBeans (EJB) modules. These components enable software developers to build large-scale, distributed applications.
What are primary technologies used in J2EE?
For completeness, however, the full list of technologies that make up J2EE is as follows:
- Java Servlets.
- JavaServer Pages (JSP)
- Enterprise JavaBeans (EJB)
- Java Message Service (JMS)
- Java Naming and Directory Interface (JNDI)
- Java Database Connectivity (JDBC)
- JavaMail.
- Java Transaction Service (JTS)
Why beans are used in J2EE architecture?
Why are beans used in the J2EE architecture instead of writing all the code in the JSPs? Bean is frequently used in HTML forms to capture the value of selected query parameters (such as username) and pass it on to other processing pages or server-side programs, depending on its scope.
What are the four components of J2EE application?
The four J2EE application components are: Client tier, Web tier, business tier and enterprise information system (EIS) tier.