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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 4812

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

 5 13769

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.

 2278

Can we iterate through collection using for loop?

 2 5181

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

 1 7405

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 6923

What is the use of static import ?

 4 8412

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Rolta Core Java Interview Questions


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Explain the handheld systems.

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What is the difference between sdf and mdf?

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Explain the primary advantage of multiplexing?

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What is amqp used for?

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What is the main aspect of conducting a sprint retrospective meeting?

5

Do you know what is fill factor and pad index?

562

What is the difference between wcf service and web service?

465

What are the loan products of State bank of India?

640

Does hadoop follows the unix pattern?

223

What is difference between mongodb and mysql?

460

What are valid operations on pointers?

662

What is record in pl sql?

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Explain ng-controller directive angularjs?

406

What do you mean by taskinstance?

379