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

Define an applet in java?

1161

What is the differences between heap and stack memory in java? Explain

982

what is anonymous class in java?

1034

What is the difference between the ">>" and " >>>" operators in java?

983

Explain the difference between abstract classes and interfaces in java?

1182

How we can make copy of a java object?

1100

Explain different states of a thread in java?

1058

What are the java ide's? Explain

1043

what do you mean by classloader?

1090

Explain the difference between an object-oriented programming language and object-based programming language?

984

What is java and why do we need it? Explain

1137

what is interface in java? Explain

968

what is the constructor and how many types of constructors are used in java?

1004

What is the purpose of the system class in java?

1048

Why java is a platform independent? Explain

1089

Un-Answered Questions { Java J2EE }

What are the two important tcp socket classes?

1098

What is class level lock ?

1034

What are the three parts of the message?

901

What are the design patterns used in spring boot? : Spring Boot

498

What is the difference between normal report & matrix report?

1110

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

1047

How does multithreading take place on a computer with a single cpu in java programming?

1015

Tell the issues faced in weblogic?

1025

What is a sessionfactory?

370

What are the types of collections in java?

1056

Explain how to convert any java object into byte array.

976

Difference between character constant and string constant in java ?

1022

What is a web container and what is its responsibility?

981

Can you declare an interface method static?

1061

What does pojo mean?

387

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