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 diff string and stringbuffer

CTS, HCL,

7 22210

what is the disadvantage of struts frame work?

11 32372

What is the perpose of EJBs?

3 6397

Can we call the Thread.sleep in Synchyronozed block?

Logica CMG,

5 19474

how can we use the servlet as standalone apllication?should we need to extend any class?

Logica CMG,

2 7517

What is the difference between servlet config and servlet context.

TCS, Tech Mahindra, Vertex,

19 60909

What is the difference between sendRedirect() and forward()? in what situations do we have to use send redirect() instead of forward().

Honeywell, Mind Tree, Samsung, Wipro,

13 45296

In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

Kanbay,

4 9444

How can I call one EJB from inside of another EJB?

CTS,

2 10755

Can the primary key in the entity bean be a Java primitive type such as int?

CTS,

2 9055

What is Transient and volatile

iFlex,

10 34275

How can we serialize a jsp page.

CSC, HCL, Oracle,

3 19511

What is the differenc between Enemuration interface and iterator interface according to accessing?

4 8771

what is the difference between static block and static method

Huawei,

19 58647

What is Marker interface in java? and what is clone?

Persistent, Wipro,

16 37320

Un-Answered Questions { Java J2EE }

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126

What is difference between @controller and @restcontroller in spring?

533

what are the different modes of archival? Explain each mode in two lines each?

994

What do you mean by an interface in java?

1095

What is a constructor overloading in java?

1119

What is a classloader in java?

1080

How can you inject java collection in spring?

501

What is the difference between filters and interceptors ?

1293

What is parsing in java?

1025

Write a program to print count of empty strings in java 8?

1077

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

Differentiate between static and non-static methods in java.

1115

What is an object in java and how is it created?

1123

How to create a base64 decoder in java8?

1129

What is lazy class?

479

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