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Rolta Core Java Interview Questions
Questions Answers Views Company eMail

How will you measure that int takes up only 32 bits in memory?

2 4338

Map map = new HashMap(2); map.add(“1”,”one”); map.add(“2”,”two”); map.add(“3”,”three”); What will happen at this line?

5 12369

Write down program for following scenario. Use java coding standard. You have array list with some words in it..we will call it as dictionary….and you have a arbitrary string containing some chars in it. You have to go through each word of dictionary and find out if that word can be constructed with the help of chars from arbitrary string given. If you find the word print it else print none.


Can we iterate through collection using for loop?

2 4691

Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

1 6994

What will be the output of the program? public class Test { public static void main(String args[]) { ArrayList list = new ArrayList(); list.add("2"); list.add("3"); list.add("4"); list.add("5"); System.out.println("size :"+list.size()); for(int i=0;i 5 6023

What is the use of static import ?

4 7668

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Un-Answered Questions

what is the sylabus for priliminaries?


Can we do database operations without using any of the objects?


How do you sort an array by value?


What is architecture explorer in visual studio?


which parameter is used to check the syntax of a jcl without executing it?


What is a structural directive?


What are the jdbc statements?


Describe transfer rules?


How Visual Studio can be used to list task information on the project ?


What is the primary benefit of location targeting for advertisers?


hi can anyone provoide SRS for order processing system and intranet plz


Which is the required command for checking the file system?


What is the purpose of disp parameter?


How u refer webservices?


Which is better wamp or xampp?