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HCL Core Java Interview Questions
Questions Answers Views Company eMail

java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.

7 10453

why we write public static void main (String args[]) in core java plz explain briefly??????????????????

3 8587

what is the role of xml in core java?? and how we can use it?? can somebody give a sample program with explanation and from where i can read more about xml?????

2316

how copy the hashmap object into arraylist at java program?

4 14827

How can two threads be made to communicate with each other?

3 8999

why java is better then .net?

5 9410

Difference between hashCode() & equals()?

3 8420

Why are the destructors for base class and derived class called in reverse order when the program exits

2279

can write code for serialization ?

1 4213

How to print a statement without using semicolan in java

6 12169

When we r go to abstract class and when we go to Interface? i have confusion this question while in interview plz clarify

3 7233

Java support call by reference (pass by reference) ?

1 4571

What is the alternate of 'Inheritance' ?

4 14096

int a=1,b=10; System.out.println(a+b--);

12 17697

1) Find the Merge point of two linked lists. 2) Swap two bits of integer. 3) Reverse individual words of the sentence. 4) Reverse string without using temp string.

2 6674

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HCL Core Java Interview Questions


Un-Answered Questions

What are the step involve in mq to implement server side?

559


Explain any four values that can be developed through teaching Physical Science

1170


Explain about the different cluster managers in Apache Spark

349


Define NoSQL Database?

102


What is open line item management?

1178


What is the bond angle of phosphorous?

1122


At which levels in the sales document can you have different incompletion procedures?

1137


Is sql a database?

973


wat is mass allocation and when it is used

2059


How would you ensure accountability in AI systems?

1


What is rss service on my phone?

874


I have a task regarding access database. I and my organization is using access database  to maintain my access files in well mannered way. But due to varied reasons access file showing error message Error 3112: Your access database got corrupted will not be able to show the database. Due to this error message I will not be able to access my access database. I don't have any idea how to recover access database or how to fix access database errors without affecting my original database????? Is there any relevant solution to repair access database?????

1952


What happens when an ammeter is connected across the circuit?

1123


How would you open a file in read-only mode using the vim editor?

910


Is jsp technology extensible?

1138