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

When is the finalize() called?

1199

What is difference between fail-fast and fail-safe?

1257

When does an object becomes eligible for garbage collection in java?

1085

What is the difference between serial and throughput garbage collector?

1118

What does the “static” keyword mean?

1119

What is the difference between jdk and jre?

1079

What’s a deadlock?

1119

How hashmap works in java?

1063

What are pass by reference and pass by value?

1006

what is comparable and comparator interface?

1004

Explain the available thread states in a high-level?

987

How does finally block differ from finalize() method?

1070

What is jvm? Why is java called the platform independent programming language?

1040

What are the two types of exceptions in java? Which are the differences between them?

1112

What is the design pattern that java uses for all swing components ?

942

Un-Answered Questions { Java J2EE }

Do we need web xml in spring boot? : Spring Boot

411

Is it legal to have static initializer blocks in ejb?

1019

What is the purpose of garbage collection in java?

1119

Is jdk an api?

428

What are pass by reference and pass by value?

1006

What are the various transaction manager implementations in spring?

366

Where is ejb used?

965

what is the command used for starting the queue manager?

977

What is home handle?

965

What is an infinite loop? How infinite loop is declared?

1124

What is a swing application?

986

Define a java class.

1467

What is the difference between lazy loading and eager loading?

441

What is the purpose of encapsulation?

1032

What is the purpose of struts.xml in struct2?

1152

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