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 purpose do the keywords final, finally, and finalize fulfill?

1093

What are the different types of garbage collectors in java?

1138

What is a finally block?

982

What are the two ways to create a thread?

1008

Can we write multiple catch blocks under single try block?

1086

What are the differences between processes and threads?

1064

How to create a custom exception?

995

What is exception hierarchy in java?

1010

What is difference between overloading and overriding in java?

1027

What is difference between iterator and enumeration in java?

996

What is difference between calling start() and run() method of thread?

1130

Write a program to reverse array in place?

1068

Why wait and notify methods are declared in object class?

1037

Explain the difference between serializable and externalizable in java?

1054

What is difference between wait and notify in java?

1134

Un-Answered Questions { Java J2EE }

What is java ee technologies?

838

What is the importance of init() method in Servlet ?

1084

What is the difference between merge and merge join in ssis?

369

Why orm is required?

364

What is core spring framework?

401

What does mappedby mean in hibernate?

362

What is instance example?

950

What is a stack class in java ?

1104

What are different ways to create Action classes in Struts2?

1097

How is java hashmap implemented?

1026

Should I override the service() method?

1092

Is it possible to retrieve data using access bean on the jsp page?

888

What is callback methods Component methods called by the container to notify the component of important events in its life cycle?

948

Why object class is super class for every class in java?

1027

What is application context in spring mvc?

406

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