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

Why is serialization required?

1022

Is null == null in java?

1177

How does java pattern compile work?

1029

What is __ init __ functions?

1210

Is null function in java?

1109

Is null false in java?

1242

How many arguments can be passed to main ()?

1054

What is the argument in java?

999

Can an integer be null java?

1063

Why does my function print none?

1022

Is null keyword in java?

1010

Can we pass null as argument in java?

1014

How do you check if an arraylist is not empty?

1200

Does a function need a return?

1024

Is empty in java?

1124

Un-Answered Questions { Java J2EE }

What is the concept of dao? : Spring Boot

534

What are the benefits of operations in java?

1148

Is lazy thread safe?

499

How tag libraries are defined in Struts?

1053

What are the restrictions for the entity classes?

460

What is the java persistence api (jpa)?

485

What are the different types of spring bean auto wiring?

461

Explain struts.devmode?

1021

What are the differences between execute, executequery, and executeupdate?

1006

Can we override the overloaded method?

1203

What are assembly attributes?

1075

What is button in java?

968

What is the use of beaninfo?

1101

Can we modify the throws clause of the superclass method while overriding it in the subclass?

1087

What is the advantage of hibernate over jdbc?

434

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