Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is hibernate query language (hql)?

373

What is the advantage of hibernate over jdbc?

362

Explain the general flow of hibernate communication with rdbms.

386

What are different environments to configure hibernate?

450

How does hibernate distinguish between transient (i.e. Newly instantiated) and detached objects?

344

What does hibernate.properties file consist of?

379

What are the general considerations or best practices for defining your hibernate persistent classes?

491

Explain the types of hibernate instance states.

379

What is a hibernate xml mapping document and how does it look like?

372

What is hibernate proxy?

424

What are managed associations and hibernate associations?

425

What is the difference between sorted and ordered collection in hibernate?

490

What is the infobus?

1107

What are externizable interface?

1083

Will the general public have access to the infobus apis?

1086

Un-Answered Questions { Java J2EE }

What are the access modifiers available in java?

1148

Is java a virus?

984

What is spring boot microservices? : Spring Boot

492

What is unidirectional and bidirectional in hibernate mapping?

402

What is a parameter in matrices?

1073

Which is the best sorting technique in java?

998

What is internal iteration in java se 8?

1217

What do you mean by local class?

1026

What does jdbc do?

1050

What is the workflow of a servlet?

1194

Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

8557

If try block is successfully executed, Then Is Finally block executed?

1099

What is the difference between doget () dopost () and service () methods?

428

How big is a 32 bit integer?

1067

What is a “stateless” protocol ?

1008

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