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

Why do we use threads in java?

1119

Why does java have two ways to create child threads?

955

What is a singleton class in Java?

1068

What is tree node in java?

963

What are the types of java?

1106

Why do we need data structure in java?

1074

What is t type java?

1062

Is java 9 released?

1006

What is meant by collection in java?

1076

Is java owned by oracle?

1017

Is java still necessary?

1075

Is java written in c?

961

What is api in java?

982

How many java versions are there?

1055

What is tree in java?

919

Un-Answered Questions { Java J2EE }

What all methods are used to prevent thread execution ?

1034

How can a session bean be configured for transactions of bean-managed?

1109

What is included in j2ee?

906

What is sizeof () operator?

977

Define the servlet mapping.

1059

Why the container loads server at the application startup and how?

1064

What is compareto?

1040

Is it possible to connect to multiple databases simultaneously?

1069

How many types of keywords are there?

994

Is null in java?

1017

Explain the various types of locking system in jdbc?

885

What configurations are stored in struts configuration file ?

999

What class is the top of the awt event hierarchy?

1113

How many bits is a 64 bit byte?

1086

What is the difference between the session.update() method and the session.lock() method?

1014

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