Advanced Java Interview Questions
Questions Answers Views Company eMail

difference between HashMap, Hashset and hashTable?

HCL, Infotech,

2 3626

how do you Handle Front End Application data against DB with example?

Campus Interaction, HCL,

1511

why static class in java

Infotech, SunGard,

1318

when A client sent a request to the server to open facebook page and close the browser after this request .at that time the same user do login by using a different browser then that session id will exist or not for the same client??

Ducat,

1138

What are the JSP implicit objects ?

eMids,

1 1913

int x=5,i=1,y=0; while(i<=5) { y=x++ + ++x; i=i+2; } System.out.println(x); System.out.println(y); System.out.println(i); How to solve this? Please explain!

1400

Do we need to override service() method

1175

What are the difference between RMI and CORBA?

643

How will you pass parameters in RMI? Why do you serialize?

735

What is the difference between java class and bean?

615

Explain RMI Architecture?

648

What is bean? Where can it be used?

604

Can we sent objects using Sockets?

677

Explain about RMI Architecture?

641

What you mean by COM and DCOM?

647


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Un-Answered Questions { Advanced Java }

what are the activation groupworks?

1702


difference between  ejb,struts,hibernate,spring and jsp

2345


What are the design considerations while making a choice between using interface and abstract class?

568


How substring() method of string class create memory leaks?

585


What is the difference between a static and a non-static inner class?

626






Explain the steps in details to load the server object dynamically?

4574


How messaging services are done, before release of JMS?

1616


How to determine SGA site?

1947


Explain about local interfaces.

618


How to implement dphibernate to activate lazy loading in Flex with java ?thanx in advance!

2593


Explain how will the struts know which action class to call when you submit a form?

552


What is in-memory replication?

589


What does module-relative mean?

608


What do you mean by Socket Programming?

579


Why use a datasource when you can directly specify a connection details? (in a J2EE application)

3516