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 Exception handling in Java How do you handle run time errors please explain with an example

Mastek, TCS,

2 7586

can you program for reverse string?

IBM,

7 12328

what is run time polymorphism

4 6837

what Data encapsulation in java?

5 10498

what is polymorphism?

4 7994

What is Servlet?

8 8123

life cycle of struts?

HCL, iGate, Scope International,

14 68682

what is difference between weblogic and websphere?

3 21855

can any one tell me what is advantage of encapsulation

2 5788

can any one tell me when do u go for inheritance and polymorphism

3 5440

How do u provide security in java

3 6600

what is the use of abstract class?

Amdocs, Atos Origin, Invictus,

3 7689

what is ennumaration?

Amdocs,

2 7321

what is difference between servletconfig and servletcontext?

Amdocs,

3 7741

what is custom tags with example?

Amdocs,

3 7265

Un-Answered Questions { Java J2EE }

What is null statement?

1012

What is pangram in java?

1012

How can the default lifecycle methods of beans be nullified?

544

How do you achieve singleton?

975

What is meant by cookies?

1080

What is meant by distributed application? Why are we using that in our application?

947

Define the collection types in hibernate?

370

What is auto wiring in spring?

415

What is the difference between compiler and jvm?

1054

Application installed but not working. What are troubleshooting steps?

949

What's the difference between an abstract class and interface in java?

1031

How do I create a rest api in spring boot? : Spring Boot

418

What is the meaning of 3 dots in java?

1164

What is an infinite loop? How infinite loop is declared?

1107

What are daemon Threads in java?

1200

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