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

what is bytecode? watz the difference between machine code and bytecode?

Oracle,

9 30556

watz the difference between abstract class and interface? Which one u ill choose as a designer?

Sonata,

1 5374

can we create instance for interface in java?

4 20923

What is Session reduplication and how its done?

2035

Which all r Final classes in java except string?

HCL,

5 34535

what is bytecode ?explain in detail and watz the difference between bytecode and machine code?

Lucent,

6 19434

What is the difference between Get and Post Method?

T3 Softwares,

12 21364

What is the difference between java and .Net?

Bosch,

39 109523

What is the difference between jsp and servlet?

Symphony,

6 13141

Diff between C++ and java?

TCS,

9 12089

can we create a instance for intwerface?

3 6499

y cant i declare method like public final static show()

3 5638

what is difference between String buffer and String builder?

Benchmark,

5 12422

what is the use of custom tags? with example?

Photon,

1 4754

what is the life cycle of jsp?

Photon,

3 8658

Un-Answered Questions { Java J2EE }

Explain the Command line utilities in wls?

1014

Why java is object oriented?

1020

What do you mean by compiler?

1042

Where is jre installed?

1036

What is @bean annotation in spring boot? : Spring Boot

478

What is lazy initialization in java?

1012

Is {a, n, d} a palindrome? If you are given a random string, is it a palindrome or not?

1132

How to update a resultset programmatically?

1081

What is a JAR file?

1044

What happens if an exception is throws from an object's constructor?

1128

What is thread stack size? What is the default thread stack size in windows?

997

Why java is made?

971

Why is servlet used?

1172

What are the different parts of a jms message?

894

What is the meaning of odm?

383

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