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IBM Core Java Interview Questions
Questions Answers Views Company eMail

Write program to print Hello World and print each character address in that string and print how many times each character is in that string? Ex: H: 0 & 1 e:1 & 1 l :2,3,8 & 3 o:4,6 & 2 w:5 & 1 r: 7 & 1 d 9 & 1

7 9213

Hi ,i convert contrller as jSp And presentation as servlet ...will it do? if so what are advantage and idsadvantages

2 3149

Can u overload main()method.Give with example.

6 25106

which is advanced deep technology in java launched by the sun microsystem??? The answer is very logical If u need correct answer mail me at


My application URL : http://localhost:8080/Application/Login.jsp. When a user enter this url in IE then, how it get Login.JSP Page exactly? what are the processes will happen from when we submit the URL to get Login.jsp?

3 34446

My interview asked what is dynamic variable in java and where we use them.

2 5485

did interface can implementation method ? i know its not possible but my interviewer said its possible ..but how..? any one have idea ???

7 7206

how to make the double-tone class ? as we have singletone class..?

1 3451

why constructor dont have returns type?

9 9134

is JVM platform dependent or independent..?

11 34168

what is the replacement method of stop() of thread

8 7847

What is the java project architecture?


what is the difference between object and class

10 7210

how to print a numbers from 1 to 100 with out using control structures?

4 4564

use of wrapper classes?

3 4434

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IBM Core Java Interview Questions

Un-Answered Questions

What is row and column?


How to submit a form in apache-wicket?


Why did you choose your major?


I want to setup additional organizations, do I have to setup multiorg?


What is abstract class in ios?


Explain binary searching, Fibonacci search.


How to display the current date in sql?


Explain the difference between listbox and combo box?


What is the function lucene?


Are there alternatives to Genetic Engineering?


What are the differences between rpa and automation?


Hi Friends I am learning QTP and in preliminary stage, able to write statements with no addl constraints however i am not able to get a solution if there are two options to be selected from the weblist and also when there are options with radio buttons need your help Thanks


Explain implementation and how is it different from conversion?


What is the default location of result pages and how can we change it?


How does data transfer takes place between memory and input output ports?