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

Which is better list or arraylist in java?

872

Why do we override tostring method in java?

966

What is the default size of set in java?

967

What is the maximum size of hashmap in java?

1005

Why do we need hashset in java?

1049

What is default size of arraylist in java?

1160

What is an off by one error in java?

958

Which sorting algorithm is best in java?

991

What is use of map in java?

1014

What is the default size of arraylist in java?

1129

What is heterogeneous in java?

965

What is array initialization in java?

1104

What is the order of arraylist in java?

1141

What is immutability in java?

1094

What is arrays aslist in java?

960

Un-Answered Questions { Java J2EE }

Is oracle java 11 free?

968

How can the default lifecycle methods of beans be nullified?

544

How create hibernate cfg xml file?

388

Explain the performance tuning in jvm?

944

What do you understand by jdbc statements?

1038

What is jms message broker?

821

What are the features of struts 2?

1062

Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.

932

Difference between current previous versions of Java?

1028

Describe string intern() methodology

1070

Explain jsessionid?

1043

What are class members by default?

1086

Why do I need to declare the type of a variable in java?

1083

Which jms standard interface defines the methods to create the different types of messages?

864

What steps are taken when the OS shifts from one-thread execution to another?

1368

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