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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 9112

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

 3 7759

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?????

 1985

how copy the hashmap object into arraylist at java program?

 4 13593

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

 3 8177

why java is better then .net?

 5 8182

Difference between hashCode() & equals()?

 3 7485

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

 1904

can write code for serialization ?

 1 3594

How to print a statement without using semicolan in java

 6 10941

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

 3 6454

Java support call by reference (pass by reference) ?

 1 4087

What is the alternate of 'Inheritance' ?

 4 13057

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

 12 15109

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 6015

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HCL Core Java Interview Questions


Un-Answered Questions

How blue prism professional administrations can be strong?

283

In mapreduce what is a scarce system resource? Explain?

482

Define Instance?

388

What is the difference between array and arraylist c#?

624

How can I get random integers in a certain range?

767




What is the WMLScript?

1253

all details of DG UPS HVAC

1738

Which is faster binary or linear search?

628

What is the function func_num_args() used for?

698

Why do you need a biological shield in nuclear plants?

807

What are reports usually used for?

762

Tell me what views available in application designer project workspace?

644

What is a simple query?

623

What is !in operator in Kotlin?

167

What is the logic testing?

965