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

Explain serialization and deserialization in java?

1007

What are the difference between string, string builder, and string buffer in java?

1121

Explain access modifiers in java.

1039

What is static import in java?

986

What is an interface in java?

1052

List some oops concepts in java?

1034

What is the syntax and characteristics of a lambda expression? Explain

1045

what is use of functional interface in java 8?

1019

What is type inference in java8?

1048

What is the use of default method in interface in java? Explain

1006

what do you mean by stream pipelining in java 8? Explain

1027

explain local datetime api in java8?

1012

What is the syntax and characteristics of a lambda expression?

1045

What is the use of default method in interface in java?

1009

Define nashorn in java8.

1041

Un-Answered Questions { Java J2EE }

what are memory considerations of jsp compares to other web components?

6538

Differences between a portlet and servlet?

899

What is serialization and deserialization in java programming?

990

Which is good to use – constructor or setter-based dependency?

397

What are the common issues you have experienced?

832

Why is string builder not thread safe?

1063

Name the acid properties of a transaction.

1067

Why do we use jpa instead of hibernate?

365

What is the spring data?

402

Explain the use of shift operator in java. Can you give some examples?

977

Can I use % with real numbers?

1021

What does hibernate merge do?

444

How dead lock situation occurs in java and how you can identify it?

996

What is the difference between 2 types of servlets?

1145

What is appletviewer?

1037

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