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 substring() method of string class create memory leaks?

1062

Do you think that java should have had pointers?

1082

Why is string immutable in java?

1110

Can constructors be synchronized in java?

1141

What is a class loader? What are the different class loaders used by jvm?

1131

What are various types of class loaders used by jvm?

1015

Is jvm a overhead?

1126

What is the difference between long.class and long.type?

1141

What is the difference between system.out ,system.err and system.in?

1122

What is a class loader?

5 1956

Explain the different types of memory used by jvm?

1157

Which are the different segments of memory?

1106

Difference between new operator and class.forname().newinstance()?

1150

What is metaspace?

1067

What are the design considerations while making a choice between using interface and abstract class?

1112

Un-Answered Questions { Java J2EE }

What is contextloaderlistener in spring?

460

What is a hibernate transaction?

410

Can a private method of a superclass be declared within a subclass?

1060

what is a non-repeatable read?

2458

What is ip pool range?

406

Define an abstract class with reference to java.

1017

What do you mean by session tracking?

1233

Is lazy loading enabled by default?

496

What is difference between prototype and request scope spring?

505

Describe what happens when an object is created in java ?

1024

What is the difference between struts and spring? Explain

929

Why is java called the platform independent programming language?

1028

What is the purpose of the main method?

1007

How to handle non-transacted sessions with respect to jms?

834

what is eai? What are those tools?

1027

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