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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 10149

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

3 8440

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?????

2251

how copy the hashmap object into arraylist at java program?

4 14616

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

3 8877

why java is better then .net?

5 9126

Difference between hashCode() & equals()?

3 8221

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

2184

can write code for serialization ?

1 4100

How to print a statement without using semicolan in java

6 11928

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

3 7068

Java support call by reference (pass by reference) ?

1 4473

What is the alternate of 'Inheritance' ?

4 13897

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

12 17094

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 6548

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HCL Core Java Interview Questions


Un-Answered Questions

what is a random variable?

4202


What is python enumerate?

911


How to place comments in pl/sql?

1143


How can we get the error when there is a problem to upload a file?

971


How do you setup Lo-cockpit?

3148


differencre between gemba and off the job training

2026


What are b-trees?

795


What is consignment inventory?

558


Can java run on ios?

761


How can you check the installed version of red hat?

622


What are different types of raid levels?

1145


What methods are fired during the page load? Init()

958


how to find target group & what is the flow of bp to target group ?

1127


what is power prompt in cognos ep7series?what is the use of this?

3674


Why use ISDN?

1339