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

List components of jndi?

987

Is an xslt processor bundled in weblogic server?

1024

What technologies are included in j2ee?

953

what is a thread pool in java and why is it used?

1011

how its run?

1075

what is enumset?

1133

what methods would you overwrite in java.lang.object class?

1016

what is the difference between future and callable interface in java?

1251

explain multi-threading in java?

1035

explain what is transient variable in java?

1148

when should you use stringbuilder class in a program?

991

what are abstract functions?

1037

design an lru cache in java?

1012

what is difference between equals and ==?

1073

how can you catch multiple exceptions in java?

Cyient,

1022

Un-Answered Questions { Java J2EE }

describe synchronization in respect to multithreading? : Java thread

935

What is json parser in java?

1065

What are all the protocols supported by httpservlet?

1289

Define bean wiring?

428

Can we extend singleton class in java?

975

Which interface does java.util.hashtable implement?

1207

When do we need to use internal iteration? When do we need to use external iteration?

1134

What is the purpose of garbage collection in java?

1110

Enlist the changes in EJB 2.1 ?

1037

What are the main uses of the super keyword?

972

How would you dynamically allocate memory to an array?

1049

In Java list the methods that can be overridden?

1019

What are the default and parameterized constructors?

1069

What are the key methods that are involved in processing of http servlets?

1119

What is the lifetime and scope of a variable?

1028

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