Advanced Java Interview Questions
Questions Answers Views Company eMail

difference between HashMap, Hashset and hashTable?

HCL, Infotech,

2 3553

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

Campus Interaction, HCL,

1485

why static class in java

Infotech, SunGard,

1282

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,

1111

What are the JSP implicit objects ?

eMids,

1 1867

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!

1372

Do we need to override service() method

1147

What are the difference between RMI and CORBA?

623

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

710

What is the difference between java class and bean?

587

Explain RMI Architecture?

617

What is bean? Where can it be used?

585

Can we sent objects using Sockets?

655

Explain about RMI Architecture?

617

What you mean by COM and DCOM?

625


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Un-Answered Questions { Advanced Java }

What is the relationship between local interfaces and container-managed relationships?

599


What is the difference between the session.update() method and the session.lock() method?

562


How many times may an objects finalize() method be invoked by the garbage collector?

680


What is a class loader? What are the different class loaders used by jvm?

591


When a thread blocks on i/o?

573






What class is the top of the awt event hierarchy?

586


Why does the tag url-encode javascript and mailto links?

591


Name three subclasses of the component class?

623


What state does a thread enter when it terminates its processing?

613


What are externizable interface?

590


Can I use javascript to submit a form?

623


Should synchronization primitives be used on bean methods?

558


Difference between DurableSubscription and non- DurableSubscription?

1724


the same information whether it will connect to the database or it will be used previous information?

579


How database connectivity in XML is achieved?

1773