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

Does collectionutils isempty check for null?

1487

What is constant in programming?

1197

What is boolean keyword in java?

1183

What is the difference between I ++ and ++ I in java?

1033

What is boolean data type in java?

1050

What are the types of literals?

1286

Is 0 a real number?

1109

What are the benefits of operations in java?

1151

What is meant by nested loop?

1107

How many bytes is string in java?

1338

Is java a prime method?

1050

What are the four integer types supported by java?

1104

What is the use of isempty in java?

1094

What is the flag in java?

1119

What are the different data types in java?

1059

Un-Answered Questions { Java J2EE }

What is the string function?

1014

What is @mapsid?

636

What is an immutable class?

1214

Can you create a deadlock condition on a servlet?

1134

Can a static method be final?

1118

You are noticing a performance impact on your application and you suspect the underlying operating systemresources might be causing the issue, what steps would you take to narrow down the issue?

1139

Describe 2 different ways to concatenate two strings.

1277

What is comparator in java?

1076

How do you call the multiple lifecycle mechanisms configured for the same bean?

471

Can you call a method in a method?

1179

Is linked list a linear or non-linear data structure?

1018

Explain the concept of local interfaces?

1017

What is odbc and jdbc drivers?

1016

What are the restrictions imposed by a Security Manager on Applets?.

2660

What is dao class in spring?

450

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