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 char * a string?

986

Is hashmap thread safe?

983

Is stringwriter thread safe?

994

How do you use find and replace?

951

What is integer valueof?

1098

Why string is immutable with example?

967

What is the difference between replace and replace all?

1021

What is indexof?

978

How do you define a variable?

938

What is the difference between and ?

1010

What is regex used for?

990

What is a subsequence of a string?

1062

What is the purpose of encapsulation?

1012

What is the replace tool?

1163

What is a bufferedreader?

1084

Un-Answered Questions { Java J2EE }

What does @override mean?

1199

What is the purpose of @action annotation?

1016

Is it necessary for the port addresses to be unique? Explain with reason.

1016

How to convert hibernate query to sql query?

443

What is the difference between databean and accessbean?

903

Explain their methods? Tell me their parameter names also have you used threads in servlet?

1038

What is the format of a log message in a web logic server?

979

What are controller commands used in member subsystem?

945

How does sorting on message priority work? : BEA Weblogic

946

How interceptor works in struts 2?

1043

What is the purpose of @requiredstringvalidator?

963

How does concurrency work for message-driven beans? : BEA Weblogic

978

What is action class? What are the types of action class?

960

What are basic keywords?

1037

Is null a string?

994

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