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HCL Core Java Interview Questions
Questions Answers Views Company eMail

What is garbage collection in Java, and how can it be used ?

32 57821

Difference between an argument and a parameter?

10 39647

Can you have a constructor in abstract class?

18 42539

Howmany address lines are required to addressing 1 MB memory?

8 20473

What is interface and its use?

8 10862





What is the GregorianCalendar class?

2 3346

What is the difference between panel and frame ?

7 67065

Difference between JDK, JRE, JVM

16 82837

what is inner class?

6 12804

Is JRE required to compile Java files ?

4 12518

How to set the Heap size in Java ?

2 8633

What is the life cycle of Thread ?

12 33862

What is the use of anonymous inner classes ?

12 21931

What is the use join() in Threads ?

5 8574

Which is the best way to use for String concatenation in Java?

7 17210

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Un-Answered Questions

Can any one say me how to do Performance testing step by step plz for a desktop application(offline application).all the data is stored in internal server itself can any plz help me. ts quite urgent friends.

779


I need to pull the data from the page which in row, column vice into excel sheet, how can it be done using QTP? eg: Name Dept xyz gdty i need the same data to be exported in excel sheet.

1095


Are you involved in writing the inferential analysis plan? Tables specifications?

2696


what are the different Types of Recordsets.

869


A thread has to access the address space of all other threads in the same process and can therefore mess up the stacks of other threads. Why is this not a protection problem? Could the same be allowed to occur for processes, e.g. one process writing data into the stack of other.

810






I have qtp 9.5 demo ver,I am not able to record the yahoo broeser.so anyone can tell me what setting i have to do in QTP for yahoo brower recording. why its not recognise the object of yahoo browser????

1417


how to create duplicate link list using C???

1320


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

5518


WHAT IS THE SYLLABUS OO GROUP -I?

984


for example we are login into the irctc server from there it will go to the selected bank and deduct amount and come back to the irctc. so if we are developing this in java means will it be run on the same session. but as per my knowledge bank is separate and irctc is separate URL's so it will use two different sessions then how it is maintaining same session through out application and even it uses the payment gateway? how it is working can any one help me on that??

3148


I executed one job and I forget to save the final JCL. But took an XDC from SPOOL. Now I want to recover the JCL from XDC dataset. Is there any process to do this?. (Manually it takes a lot of time). Is there

1995


What is Noise?

319


What is planning file entry

1147


when & how interest on unsecured loan is calculated?

796


What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

1691






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