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 many types of packages are there in Java?

5 1273

Explain different data types in Java.

5 1205

Can we declare Pointer in Java?

5 1403

What is the default value stored in Local Variables?

5 1350

Difference in the use of print, println, and printf.

5 1136

Is it possible to make an array volatile?

4 1268

What is an object-oriented paradigm?

5 1313

What are the Memory Allocations available in JavaJava?

1 693

What is a singleton class in Java? And How to implement a singleton class?

2 792

Can you explain the Java thread lifecycle?

1 809

In the below Java Program, how many objects are eligible for garbage collection?

1 967

What is JDK? Mention the variants of JDK?

1 797

What are Brief Access Specifiers and Types of Access Specifiers?

1 783

Explain Method Overloading in Java.

1 844

Give a briefing on the life cycle of a thread.

1 762

Un-Answered Questions { Java J2EE }

What is composition in java?

1215

Explain the performance tuning in jdbc?

928

define polymorphism in java

1038

Is arraylist zero based?

1005

Which is the only method defined in the javax.ejb.handle interface? : BEA Weblogic

845

How does jms listener work?

815

What are collection pools?

909

What are the steps required to modify config.xml file of web logic server?

843

Why do we need spring boot maven plugin? : Spring Boot

424

Write all the phases defined in servlet life cycle?

1055

Describe dispatcherservlet.

464

What are new features introduced with java 8 ?

932

why Java does not support multiple inheritances?

1113

How do edit/modify the property/configuration files?

896

What does a za z0 9 mean?

1029

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