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

Is singleton class thread safe?

997

How do you define a method?

978

Can inner class have constructor?

1044

What is difference between protected and private?

1078

Can we create object of static class?

1026

What is functional interface in java example?

996

What is supplier in java?

1004

How does singleton class work?

993

Is passing by reference faster?

996

Is singleton set an interval?

967

Is age a discrete variable?

977

Is singleton a bad practice?

1047

What is a function argument in java?

999

What are measurable parameters?

1078

How do you implement singleton class?

986

Un-Answered Questions { Java J2EE }

What is api in java?

983

What is stateless ejb?

950

What is the order of arraylist in java?

1138

What is a treeset class?

1008

What is the difference between constructor and setter injection?

425

What is a jdbc connection?

898

What is jpql in hibernate?

328

How do you escape a string?

992

What is servletconfig?

1035

Is jpa an orm?

346

Objects or references which of them gets garbage collected?

969

What is meant by aop in spring?

429

Name the new features added in jdbc 4.0.

981

Which servlet does the struts framework use?

980

What do you mean by timer service and where it is used?

1009

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