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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 5789

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

5 16034

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.

2745

Can we iterate through collection using for loop?

2 6191

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

1 8122

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 8510

What is the use of static import ?

4 10081

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Rolta Core Java Interview Questions

Rolta Core Java Interview Questions (7)

Un-Answered Questions

Which are the different layers that define cloud architecture?

1319

Explain the purpose of gui map configuration?

1094

What is the other alternative to graceful degradation?

645

What do you mean by power transformer?

1080

What is the difference between the excise duty and the sales tax?

1135

What is the difference between settimeout() and setinterval() methods?

892

Is tomcat written in java?

870

PLEASE CAN ANYONE SEND ME THE TEST SCENARIO BASED QUESTIONS FOR 3+ EXPERIENCE IN MANUAL TESTING

4346

What is a linqdatasource control?

108

How Google apps can be considered ? Either they are product or Project

1683

How do I open iis manager?

935

What causes a hard drive not to be detected?

954

Describe ajax control extender toolkit? : asp.net ajax

976

If there is major % of Voltage harmonics in the system, how can it be control or reduced?

2000

Do you know a way to refresh browser by using selenium?

988