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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 5674

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

5 15789

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.

2681

Can we iterate through collection using for loop?

2 6097

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

1 8029

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 8295

What is the use of static import ?

4 9884

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Rolta Core Java Interview Questions

Rolta Core Java Interview Questions (7)

Un-Answered Questions

What is the use of "echo" in php?

926

How to increase ejb transaction timeout in weblogic?

1086

Why is data quality critical in Generative AI projects?

What are the different types of implementation terms in uml?

794

How is assert command different from verify command?

1039

Mention the IN Operator syntax in Neo4i?

What is grep used for in perl?

885

What is python? State some programming language features of python.

840

What is powerpoint and its various features?

299

Is there any garbage collector concept available in iOS?

766

How to integrate java server faces (jsf) with spring?

383

Tell us can you write the code to double click an element in selenium?

821

what is data access? : Sas-di

1093

What are different types of attributes of function module?

314

what risks do u faced u r projest how do you solve

2096