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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 10190

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

3 8453

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?????

2260

how copy the hashmap object into arraylist at java program?

4 14643

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

3 8894

why java is better then .net?

5 9161

Difference between hashCode() & equals()?

3 8245

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

2193

can write code for serialization ?

1 4120

How to print a statement without using semicolan in java

6 11971

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

3 7096

Java support call by reference (pass by reference) ?

1 4491

What is the alternate of 'Inheritance' ?

4 13924

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

12 17171

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 6566

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HCL Core Java Interview Questions


Un-Answered Questions

What is event in java swing?

959


Where are you going to implement the logics for integration?

5


what are commands to generate key pairs?

287


What's new in c#?

895


What are the major differences between doget and dopost?

411


if i want to display the name of students such that to which city they belong must have count greaer than two

2216


Write about a nested class and mention its use?

1094


Differentiate between dddaudit and sysaudit?

949


Which key used for menu active in excel?

626


why should i declare foreign key constraint as self relation instead of binary relation in tables ?

2032


Is it possible to get the message offset after producing?

578


 How do you reset the Access ID/Password?

1185


I need a MATLAB source code to recognize different regular geometric shapes such as: squares,rectangles,triangles,circles and ellipses in different sizes using neural network. All of the images containing these shapes should be in binary format with the size of 300*400 pixels. would you please give me a MATLAB code to detect these geometric shapes?

4576


What happens if we override only equals?

969


What is my windows live id?

780