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

Wt is the main difference between Java and Java J2EE and Advanced java?

Wipro,

5 23679

What is "Java Native Interface" and how to use it?

IBM,

1 6000

can any one tell me how to implement tcng (Traffic Control Next Generation) with HTB (Hierarchical Token Bucket) in Java?which particular class or API is used for that?

Accenture,

2827

What is the diff. b/w Interfaces & Abstract class?

Ericsson,

6 10460

Which of these methods belong to Thread & Object class? join, yield, sleep, wait, notify

Ericsson,

3 10129

Can we instantiate Interfaces?

Ericsson,

7 15456

What do you mean by the term transient?

Ericsson,

5 11409

What are the two ways you can synchronize a block of code?

Ericsson,

5 14069

Can we call destroy() method inside the init() method? What happens when we do so?

Ericsson,

9 24169

Package1 and Package2 both have a method name lets say "methodA" with different implementation. When I import both the packages in a java class how can I use both the methods?

Ericsson,

7 11246

How can you sort dates?

TCS,

2 9303

Why to give the file name same as the public class name in java?

3 7126

What happens when Two users requests for same action class? How the threads are controlled?

4 8945

What is a domain structure? Does include cluster(s) and server instance(s)?

Oracle,

3 10606

Is there any use of an abstract class which has no methods and no attributes?

Wipro,

1 4896

Un-Answered Questions { Java J2EE }

What is the tree view pane in the web logic server?

923

what is the different between a servlet and a cgi? Why do you go for servlet rather than cgi?

1048

What is orm hibernate?

364

Can we create a constructor in abstract class?

979

What are some of the important features and advantages of spring framework?

450

What is inversion of control (ioc)?

436

what is zuul in spring boot? : Spring Boot

414

What is hibernate database?

465

What is aop logging?

523

What is logical variable?

978

Describe the basic steps used to create a tiles application?

1075

What is the difference between this() and super() in java?

1040

What is @component annotation in spring?

442

What are the advantages and disadvantages of node manager?

1040

What isan abstract class and when do you use it?

1602

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