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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.

2067

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?

1350


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

323


How do you sort an array by value?

279


What is architecture explorer in visual studio?

395


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

484






What is a structural directive?

247


What are the jdbc statements?

329


Describe transfer rules?

1494


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

976


What is the primary benefit of location targeting for advertisers?

1


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

1931


Which is the required command for checking the file system?

328


What is the purpose of disp parameter?

377


How u refer webservices?

1225


Which is better wamp or xampp?

293