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

How are destructors defined in java?

1029

In the below example, how many string objects are created?

1045

What is ternary operator?

999

Can a class be a super class and a sub-class at the same time? Give example.

1 1546

What's the access scope of protected access specifier?

1031

I want to re-reach and use an object once it has been garbage collected. How it's possible?

1020

How can we pass argument to a function by reference instead of pass by value?

1108

Can main() method in java can return any data?

1177

Can we declare the main method of our class as private?

991

What are loops in java? What are three types of loops?

1030

What are java packages? What's the significance of packages?

1325

In java, how we can disallow serialization of variables?

990

What are loops in java?

2 1256

Why runnable interface is used in java?

1127

How garbage collection is done in java?

1046

Un-Answered Questions { Java J2EE }

Does spring boot require web xml? : Spring Boot

446

What does hibernate.properties file consist of?

359

What is callable java?

969

How do I print a “?

995

What do you mean by @qualifier in spring?

516

What is the use of version property in hibernate?

395

State one difference between a template class and class template.

1064

What do you mean by light weight and heavy weight components?

1012

What is the java authentication and authorization service (jaas) 1.0?

1064

What is difference between stringbuffer and string?

949

How do you create an array in java?

985

How can the primary key be created by using hibernate?

343

What is meant by data hiding in java?

1141

What's the difference between spring and spring boot? : Spring Boot

487

Explain the different ways for servlet authentication?

1092

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