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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 6878

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

3 6419

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?????


how copy the hashmap object into arraylist at java program?

4 11499

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

3 6772

why java is better then .net?

5 6105

Difference between hashCode() & equals()?

3 5826

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


can write code for serialization ?

1 2710

How to print a statement without using semicolan in java

6 8543

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

3 4969

Java support call by reference (pass by reference) ?

1 3308

What is the alternate of 'Inheritance' ?

4 11521

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

12 10837

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 4825

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HCL Core Java Interview Questions

Un-Answered Questions

How can we improve performance by using SQL Server profiler?


Explain the importance of finally block in java?


Can we change static variable value in c#?


What is roles and responsibilities of sap hr consultants?


Explain the Approval Process Checklist?


Explain worm feeds itself by sucking the blood of animals and humans.after feeding, the worm becomes fat and falls off?


Define about declare construct?


Given an array of size n. It contains numbers in the range 1 to n. Each number is present at least once except for 2 numbers. Find the missing numbers.


What are the limitations of the context filter?


explain working principle of earth leakage relay


What do you do when a program won't open?


How to create a stored procedure with a statement block in ms sql server?


what are the t string functions available in tsql? : Transact sql


sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is


What is System call executable binary file into a process?