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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 59247

Difference between an argument and a parameter?

10 40139

Can you have a constructor in abstract class?

18 43243

Howmany address lines are required to addressing 1 MB memory?

8 21369

What is interface and its use?

8 11191





What is the GregorianCalendar class?

2 3496

What is the difference between panel and frame ?

7 67979

Difference between JDK, JRE, JVM

16 83674

what is inner class?

6 13021

Is JRE required to compile Java files ?

4 12774

How to set the Heap size in Java ?

2 8982

What is the life cycle of Thread ?

12 34369

What is the use of anonymous inner classes ?

12 22366

What is the use join() in Threads ?

5 8758

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

7 17461

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HCL Core Java Interview Questions





Un-Answered Questions

How many types of functions are there in R string manipulation?

1


Mention the advantages of soap?

9


What is latest xcode version?

7


What are the disadvantages of using google adsense?

5


What “beforFilter()”,“beforeRender” and “afterFilter” functions do in Controller?

11






What is skip() method?

1


How many types of operators python has?

10


How phase displacement change in the over current relay coils.

1259


Explain the Important tcodes in ALE Idocs?

14


A good website has the following conditions It should be interactive. It should contain at least 20 images. Title cannot be null and should contain at least 10 letters other than spaces and hyphen (-). The keywords should contain atleast three among the following list : "design", "Graphics", "lovely", "beautiful", "amazing" and "mesmerising" Write a method: boolean isGoodWebsite(boolean isInteractive, int numOfImages, String title,String keywords[]) isInteractive whether the site is interactive or not numOfImages Number of images on the website title Title of the website keywords Array of keywords in the website.

1148


IN SQL SERVER 2005, With out using Query, hw can u break down USER NAME & PASSWORD to enter the software.

1046


How many types of NoSQL databases? Give some examples.

3


What is a user function?

3


What is the difference between function overloading and over riding?

17


What is method overriding in java ?

15