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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 5764

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

5 15975

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.

2727

Can we iterate through collection using for loop?

2 6158

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

1 8098

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 8439

What is the use of static import ?

4 10036

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Rolta Core Java Interview Questions

Rolta Core Java Interview Questions (7)

Un-Answered Questions

What is the audit risk rating(arr)?

585

Sam langley invented what instrument, which allows astronomers to measure the energy output of the sun and other stars?

133

What are types in typescript?

892

Write a QTP script to enter a keyword in to Google search engine?

1052

What is named query in hibernate?

303

What is compound condition?

973

Explain about logic match tag?

1049

What are various ways of locating an element in selenium?

878

How hbase handles the write failure?

206

What is a category in a supervisor?

How to load select box during page initialization using AngularJS?

812

Is learning django worth it?

462

What is an elastic ip in aws?

349

I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

3806

Can you pick an algorithm. Write the psuedo-code for a parallel implementation?

891