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

What are Inner classes?

4 7441

Is &&= a valid Java operator?

2 13652

A class can be a subclass of itself?

Genesis,

2 10802

Are nested try statements are possible?

2 5379

Is multiple inheritance allowed in Java? Why ?

7 12420

Is 'null' a keyword?

8 10504

Is 'sizeof' a keyword?

7 18218

Does any tag exists in HTML to upload and download files ?

3 8548

Are there any tools available in java to create reports?

5 9678

Explain Connection Pooling?

3 9350

What classes can be used to store arbitrary number of objects ?

1 4261

Can you give names of Container classes?

Ordain Solutions,

2359

What are the names of interfaces that doesn't consists of method/s ?

3 7924

What primitive Java types? Howmany are they and what are their names?

3 5982

What are the names of Component subclasses that support painting?

1 3879

Un-Answered Questions { Java J2EE }

Explain advice and its types.

473

What is the use of @resource annotation in spring?

492

Can remove() be a Stateless Session bean?

1139

What is csrf in spring security?

580

What are the different methods involved in the process of session management in servlets?

1351

What are the two ways in which thread can be created?

1110

What is queue in java?

1236

What is MIME Type?

1209

how can you interact with database using compute node?

892

What does web module contain?

975

What is the use of :: in java?

1091

How do you implement singleton class?

1044

Why do you need orm tool like hibernate?

392

how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)

2394

What are Normalization Rules? Define Normalization?

1119

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