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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?????

1462

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

1384

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?

246


Explain the importance of finally block in java?

242


Can we change static variable value in c#?

185


What is roles and responsibilities of sap hr consultants?

234


Explain the Approval Process Checklist?

26






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

214


Define about declare construct?

268


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.

361


What are the limitations of the context filter?

65


explain working principle of earth leakage relay

2667


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

190


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

258


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

241


sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

1435


What is System call executable binary file into a process?

301