Question posted by karthick

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What’s wrong using HashMap in multithreaded environment? When get() method go to infinite loop ?

posted Jan 13, 2017

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1 answer

What is the difference when String is gets created using literal or new() operator ?

posted Jan 13, 2017

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1 answer

What is difference between Executor.submit() and Executer.execute() method ?

posted Jan 12, 2017

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1 answer

Which two method you need to implement for key Object in HashMap ?

posted Jan 12, 2017

+1 vote

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What is Runnable interface ? Are there any other ways to make a java program as multithred java program?

posted Dec 29, 2016

+1 vote

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What are the different operational commands in HBase at record level and table level?

posted Dec 26, 2016

+1 vote

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How to write a custom partitioner for a Hadoop MapReduce job?

posted Dec 26, 2016

+2 votes

1 answer

Explain about the process of inter cluster data copying?

posted Dec 22, 2016

+1 vote

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Explain the difference between NameNode, Backup Node and Checkpoint NameNode?

posted Dec 22, 2016

+4 votes

1 answer

Please explain Hadoop Architecture?

posted Dec 20, 2016

+2 votes

1 answer

How to change port number for apache in WAMP?

posted Dec 20, 2016

+1 vote

1 answer

Explain the significant differences between a trait and an abstract class?

posted Oct 13, 2016

+1 vote

1 answer

Explain the concept and usage of an extractor in Scala?

posted Oct 13, 2016

+2 votes

1 answer

Like Java’s java.lang.Object class, what is the super class of all classes in Scala?

posted Oct 5, 2016

+2 votes

1 answer

What is the main motto of Scala Language?

posted Oct 5, 2016

+1 vote

2 answers

Is Scala a Pure OOP Language? Is Java a Pure OOP Language?

posted Sep 30, 2016

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0 answers

Explain the main difference between List and Stream in Scala Collection API?

posted Sep 30, 2016

+1 vote

1 answer

What is case class? What is case object? What are the Advantages of case class?

posted Sep 28, 2016

+1 vote

1 answer

What are the differences between Array and ArrayBuffer in Scala?

posted Sep 28, 2016

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What is the equivalent construct of Scala’s Option in Java SE 8?

posted Sep 26, 2016

+1 vote

1 answer

How to avoid null check in scala?

posted Sep 26, 2016

+1 vote

1 answer

What is recursion tail in scala?

posted Aug 22, 2016

+1 vote

1 answer

What are the different types of Scala literals?

posted Aug 22, 2016

+2 votes

1 answer

What is Pattern Matching in Scala?

posted Aug 16, 2016

+2 votes

1 answer

What is Class Linearization in Scala?

posted Aug 16, 2016

+1 vote

1 answer

How to use Named Parameters in Scala? What is the use of Named Parameters in Scala?

posted Aug 11, 2016

+1 vote

1 answer

Explain the difference between Scala’s protected and Java’s protected Access Modifier?

posted Aug 11, 2016

+2 votes

1 answer

Explain few situations in Scala Programming where we use unapply method?

posted Aug 9, 2016

+1 vote

0 answers

Differentiate Java’s Var-Args with Scala’s Var-args Functions?

posted Aug 9, 2016

+1 vote

1 answer

Differentiate these terms in Scala: Null, null, Nil, Nothing, None, and Unit?

posted Aug 3, 2016

+2 votes

1 answer

What is Variant, Invariant, Covariant and Contravariant in Scala?

posted Aug 3, 2016

+2 votes

1 answer

What is Var-Args Parameters to function/method in Scala?

posted Aug 2, 2016

+2 votes

1 answer

What is Implicit in Scala? What is the use of Implicits in Scala Language?

posted Aug 2, 2016

+4 votes

1 answer

How to provide Package level Access Modifier in Scala?

posted Jul 27, 2016

+4 votes

1 answer

What is the main use of Option and Either in Scala?

posted Jul 27, 2016

+4 votes

1 answer

How do we handle Errors or Exceptions in Imperative Style(OOP style) in Scala?

posted Jul 25, 2016

+4 votes

0 answers

what is top level class/trait of Scala’s Collection API?

posted Jul 25, 2016

+2 votes

1 answer

Please explain Monad in Scala?

posted Jul 22, 2016

+2 votes

1 answer

Please explain closure in Scala?

posted Jul 22, 2016

+2 votes

1 answer

What are the major differences between Future and Promises in Scala?

posted Jul 21, 2016

+2 votes

1 answer

How to develop Immutable Classes in Scala?

posted Jul 21, 2016

+2 votes

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Which IDEs support Play and Scala-Based Applications Development and how?

posted Jul 20, 2016

+2 votes

1 answer

What is an Higher-Order Function (HOF) in Scala?

posted Jul 20, 2016

+3 votes

1 answer

What is Promises in Scala? Why do we use them in Scala?

posted Jul 19, 2016

+3 votes

1 answer

What is Future in Scala? Why do we use them in Scala?

posted Jul 19, 2016

0 votes

1 answer

What is Nothing in Scala? What is Nil in Scala? What is the relationship between Nothing and Nil in Scala?

posted Jul 13, 2016

+1 vote

1 answer

What is Null in Scala? What is null in Scala? What is difference between Null and null in Scala?

posted Jul 13, 2016

+2 votes

1 answer

What is Akka Framework? Major Advantages of Akka Framework?

posted Jul 12, 2016

+1 vote

0 answers

Popular clients who are using Akka Framework in their LIVE Systems?

posted Jul 12, 2016

+1 vote

1 answer

What is BigInt datatype limitations in Scala?

posted Jul 8, 2016