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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 5641

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

5 15744

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.

2672

Can we iterate through collection using for loop?

2 6067

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

1 8013

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 8269

What is the use of static import ?

4 9833

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Rolta Core Java Interview Questions

Rolta Core Java Interview Questions (7)

Un-Answered Questions

What is the difference between private bank and a nationalized bank?

1084

What are public deposits?

1011

What is meant by pear in php? What is the purpose of it?

918

What would be the result of issuing the command cat phonenos?

959

How to define the service contract user and accessibility?

1366

How to select 10 records from a table?

1099

What is the purpose of @createifnull annotation annotation?

990

What is renewable resource?

723

resent profession and what would you define as your career objectives

2048

How can we make a class singleton?

1008

How many sessionfactory and session objects are usually created?

341

Explain segments and cycles? : co- cost center accounting

971

What challenges do researchers face in developing quantum AI systems?

What do you understand by cc of engine?

954

When we can use multiple forms? Can you explain in detail?

766