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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 58685

Difference between an argument and a parameter?

10 39946

Can you have a constructor in abstract class?

18 42961

Howmany address lines are required to addressing 1 MB memory?

8 21087

What is interface and its use?

8 11052





What is the GregorianCalendar class?

2 3452

What is the difference between panel and frame ?

7 67693

Difference between JDK, JRE, JVM

16 83325

what is inner class?

6 12943

Is JRE required to compile Java files ?

4 12681

How to set the Heap size in Java ?

2 8855

What is the life cycle of Thread ?

12 34187

What is the use of anonymous inner classes ?

12 22186

What is the use join() in Threads ?

5 8697

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

7 17361

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Un-Answered Questions

what is mena by object block any what is the use of that

1177


what are Hostile Applets?

949


Anyone provide the oracle fin/scm definetions

1088


Service Program : S1 Modules in S1 : M1 M1 having two procedures : ADD, SUB Current Binder Language STRPGMEXP PGMLVL(*CURRENT) EXPORT SYMBOL("ADD") EXPORT SYMBOL("SUB") ENDPGMEXP Doubt: I need to add one new Module to the Service Program M2 having one procedure ‘MULT’ How to add this new module to the service program S1 ? If I need to recreate the service program again, Do I need to mention the Module M1 again while recreating along with new Module M2? There is no Binding Directory. Binder language structure will be like this STRPGMEXP PGMLVL(*CURRENT) EXPORT SYMBOL("ADD") EXPORT SYMBOL("SUB") EXPORT SYMBOL("MULT") ENDPGMEXP STRPGMEXP PGMLVL(*PREVIOUS) EXPORT SYMBOL("ADD") EXPORT SYMBOL("SUB") ENDPGMEXP

1287


What is the E1 & OmuSig?

3995






why did you not continue your study after graduation?

1753


There are two file are there .1st file contains 5 records and 2nd file contain 10 records in target they want 50 records.how can achieve this

1060


Mention a few important decisions you have taken in your life.

6


how we do CUA configuration in Quality system

1266


I have a brand for product which will be delivered as per the subscription from customers.What are all the major functionalities u will test in that case?

228


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

774


Which company developed JavaScript?

2


Can anyone send me e commerce website test cases please its urgent

2117


How To Convert Apparent Into Real Power Without Knowing Reactive Power?

589


hi what is the difference between sap apo technical and functional?

2460






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