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

Should controller be singleton?

465

What is the difference between autowiring and dependency injection?

397

Why we are using dependency injection?

435

Why would you use a singleton?

397

Is dependency injection necessary?

405

What is setter injection?

458

Which dependency injection is used for a mandatory dependency?

379

What is constructor injection?

393

When should you use a singleton?

431

What is difference between static and singleton class?

476

What is difference between ioc and dependency injection?

451

Can you be deported if you are stateless?

902

Is microservice stateless?

923

Is udp stateless?

1005

Is functional programming stateless?

1003

Un-Answered Questions { Java J2EE }

Explain the importance of join() method in thread class?

1097

Can the messaging bridge forward durable subscription messages between separate weblogic server 6.1 and release 7.0 or later domains? : BEA Weblogic

934

What is retention annotation?

472

Where is jdbc url mysql?

989

How big is a pointer?

1028

What is method overloading in java ?

1087

What is the use of @springboottest?

415

What does \ mean in regex?

1220

What is evict method in hibernate?

388

What is the bean life cycle in spring bean factory container?

374

Explain deployment descriptors?

1076

What are the basic concepts of OOPS in java?

1036

Is null a string?

999

What is a datasource in java?

955

Is treeset sorted in java?

986

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