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Java J2EE Interview Questions
Questions Answers Views Company eMail

Advantages of Inheritance in java.

CybAge, HCL,

11 38680

What is the difference between RequestDispatcher and sendRedirect?-

CTS,

5 14183

where our package shoud be kept in the application whenwe want to import that package in the jsp application?

1 4585

what is the output??????? public class multireturn { public(int assign x ( int x) { if(4==x) { return 7; } else if (7=x+3) { return 6; } return 5; } }

TCS,

3 6055

What is Difference between JavaBeans and taglib directives?

3 12543

how a marker interface gets its functionality and when we implements a marker interface how it got invoked

Mind Tree,

3 12041

how to handle a singleton service locator. when multiple threads are trying to get the singleton object in same time

Mind Tree,

4 11317

program for RequestDispatcher in servlets?

Wipro,

3 10088

why we use main in java?

4 7628

java based application for hospital management

1 3894

How do we generate a digital certificate

2 5841

Explain JSP life cycle?

Accenture,

2 8251

Explain Stateful session bean life cycle?

Accenture,

2 8292

Can we define constructors in Servlet?

Accenture, Opus, Wipro,

3 15769

Can I override destroy() method of Servlets?

Accenture,

4 17015


Un-Answered Questions { Java J2EE }

What is a classloader in java?

1082


How to sort array in descending order in java?

986


What is lazy class?

480


Can we return resultset in java?

985


What is a constructor overloading in java?

1121


explain different ways of using thread? : Java thread

1079


What is java string pool?

1076


What is the difference between filters and interceptors ?

1297


Differentiate between static and non-static methods in java.

1115


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


What is latest hibernate version?

486


What is action chaining ?

1158


hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2861


What are the differences between heap and stack memory in java?

1124


What is the difference between equals() and == in java?

1032