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Cumulus systems



Link: https://www.cumulus-systems.com/
   




Interview Questions and Answers for 'Cumulus Systems' - 9 question(s) found - Order By Newest

Very frequently asked. Among first few questions in almost all interviews. Among Top 5 frequently asked questions. Frequently asked in Indian service companies (HCL,TCS,Infosys,Capgemini etc based on multiple feedback )
  Q1. Difference between == and .equals() ?Core Java
Anonymous
Ans. "equals" is the method of object class which is supposed to be overridden to check object equality, whereas "==" operator evaluate to see if the object handlers on the left and right are pointing to the same object in memory.

x.equals(y) means the references x and y are holding objects that are equal. x==y means that the references x and y have same object.

Sample code:

String x = new String("str");
String y = new String("str");

System.out.println(x == y); // prints false
System.out.println(x.equals(y)); // prints true

  Sample Code for equals

 Help us improve. Please let us know the company, where you were asked this question :   


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Content  GS Lab  Thermax  Saama Technologies  Fresherworld.com  Nityo Infotech  Sanofi  Innoplexus  Sears IT & Management Services   National Stock Exchange of India  Accelya Kale  Tudip Technologies  ITSource Technologies  Sela Technology Solutions  Eternus Solutions  Raja Software Labs  Leo TechnoSoft  Shubham Housing Development Finance  Serene Corporation  Leo Technosoft  Questionpro  Sparken IT Solutions  Capsilon  JetSynthesys  MangoSpring  Subway  Arezzo Sky  Lenco Diagnostic Laboratories  Finlogic Technologies  Maxxton  Cerillion  Applus+  XOYAL  Acloudzyn Technologies  ITYX  Tej IT Solutions  Transworld Compressor Technologies  Deskera  Ebaotech  Kahuna Systems  Kimaya Infotech  SSP Technology  Boston Byte  Bonellisoft  Rack Infotech  Intellection Software and Technologies  OMVSAB IT Solutions  ProductDossier  Soft Infology  Systems Plus Transformations  StackMint  HeadInfotech India  EffortSys  KasNet Technologies  Java City  iSynergy TechSys  Unisoft Technologies  Servient  ThinkQuotient Software  Medline Industries  Ascent Cyber Solutions  Proto-T Solutions  Tinker Technologies  Censhare  Proto-T Solutions  Henx International Technologies  AlightHub Consulting Services  Perpetual Infotech  BestoSys  Infiniti Infosystems  Torqus  Spectrum Tech System  OreInfo  Sanvi Softech  Neptune Solutions  XTime  Web Hub Technology  Coin Technologies  Paramount Pictures  Rocklike DMS  Implant Technosoft Solutions  Nabla Infotech  Predikly  Godwit Technologies  Kanaka Consulting  Aarnum Technologies  Ganesh Kapure  Abhinav Digicompsoft Services  Shoffex.com  Online Training Solutions  A Plus Tree  OMM Software Innovation  Tanish Infotech Solution  Zinist Software  Mobile Sutra  Playpixel Infosystem  SunGuard  Nihilent  Siemens PLM Software  Maxgen Technologies  Nitor Infotech  Mediaocean  Yagna iQ  Sigma Systems  Ethon  The Permanente Medical Group  Reliance Industries  MindCraft Software  ABM Knowledgeware  Trutech Web Solutions  Nikhil R Gupta & Associates  eMeasurematics  NovelERP Solutions  Web Element Solutions  HDFC Bank  Qualcomm  Intellect Design Arena  Diebold Nixdorf  Sharekhan  Pepperfry  IRIS Business Services  Wind World  ZEDO  Loylty Rewardz Mngt  C2L Biz  Chenoa Information Services  Insolutions Global  Vakrangee Softwares  Celusion Technologies  Currencies Direct  Zenith System Solutions  Base Information Management  Exponentia DataLabs  Realty Redefined  Constaccent  Neoquant Solutions  Aureus Analytics  Planfirma Technologies  Pawaa Software  iBhejo  Fairfax County Virginia  American Conservation Experience  Hari Krishna Exports  Core Education & Technologies   Nishat Mills  Industrial Market Place  Krisnela Technologies  Swissclear Global  Samyak Software  Professional Access  Nexstep Infotech  Concerto Software  Viral Technologies  Silverwing Technologies  Gcom Software Inc  Accel Frontline  Atom Technologies  Blue Star Infotech  Cynapse  Datamatics Global Services  Flytxt Mobile Solutions  Persistent Systems  Onmobile Global  Trianz  Sasken  WNS Global Services  Tavant technology  Edz Infomatics      basic        frequent

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Very frequently asked. Favorite question in Walk in Drive of many Indian service companies.
  Q2. Difference between TreeMap and HashMap ?Core Java
Anonymous
Ans. They are different the way their elements are stored in memory. TreeMap stores the Keys in order whereas HashMap stores the key value pairs randomly.

  Sample Code for treemap

  Sample Code for hashmap

 Help us improve. Please let us know the company, where you were asked this question :   

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Frequently asked to fresh graduates and less experienced developers.
 Q3. Explain multithreading in Java ?Core Java
Anonymous
Ans. 1. Multithreading provides better interaction with the user by distribution of task

2. Threads in Java appear to run concurrently, so it provides simulation for simultaneous activities.The processor runs each thread for a short time and switches among the threads to simulate sim-ultaneous execution (context-switching) and it make appears that each thread has its own processor.By using this feature, users can make it appear as if multiple tasks are occurring simultaneously when, in fact, each is running for only a brief time before the context is switched to the next thread.

3. We can do other things while waiting for slow I/O operations.In the java.iopackage, the class InputStreamhas a method, read(), that blocks until a byte is read from the stream or until an IOExceptionis thrown. The thread that executes this method cannot do anything elsewhile awaiting the arrival of another byte on the stream.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   threads   multi threading  concurrency   multithreading     Hamsini ECommerce   Cognizant (CTS)  Cumulus Systems  Cognizant (CTS)      intermediate        frequent

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Frequently asked in Indian Service Companies. Tech Mahindra ( Based on 3 inputs ) and Infosys ( 3 inputs )
  Q4. What is the difference between List, Set and Map ?

or

What are the different Java Collections Interfaces ?
Core Java
Anonymous
Ans. List - Members are stored in sequence in memory and can be accessed through index.
Set - There is no relevance of sequence and index. Sets doesn't contain duplicates whereas multiset can have duplicates.
Map - Contains Key , Value pairs.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   collections   list   set   map     Cognizant (CTS)  Ebay   Infosys   HCL Technologies   Tech Mahindra  Cumulus Systems  Mindteck  American Express      basic        frequent

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Frequently asked to fresh graduates.
  Q5. What is a Deadlock ?Operating System
Anonymous
Ans. When two threads are waiting each other and cant precede the program is said to be deadlock.

 Help us improve. Please let us know the company, where you were asked this question :   

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Very frequently asked.Usually among first few questions.
  Q6. What is MVC ? Design
Anonymous
Ans. MVC is a Design Pattern that facilititates loose coupling by segregating responsibilities in a Web application

1. Controller receives the requests and handles overall control of the request
2. Model holds majority of the Business logic, and
3. View comprise of the view objects and GUI component

 Help us improve. Please let us know the company, where you were asked this question :   

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 Q7. What is JVM ?Core Java2017-04-07 10:16:18

Ans. JVM (Java Virtual Machine) is an abstract machine. It is a specification that provides runtime environment in which java bytecode can be executed.JVMs are available for many hardware and software platforms (i.e. JVM is platform dependent).Runtime Instance Whenever you write java command on the command prompt to run the java class, an instance of JVM is createdThe JVM performs following operation:Loads codeVerifies codeExecutes codeProvides runtime environment

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     memory management  jvm     ABS  Trimax IT Infrastructure & Services  Cumulus Systems      basic        frequent


 Q8. Why do you want to leave your current job ?General2018-05-11 07:39:41

Ans. The most effective and acceptable reasons for leaving your current job should be positive e.g. moving forward in your life or career

 Help us improve. Please let us know the company, where you were asked this question :   

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 Q9. What methodology and technology stack do you use ?General2018-05-22 06:05:55

Ans. [Open Ended Answer]

Possible Answer - We are using Agile. We have daily standups, Bi weekly Backlog Grooming , Planning and Retrospective, We have a 2 week sprint and We use Jira for Scrum Management. We are using Java 8, Spring Boot, JSF , Apache Kafka , Soap as well as Rest Services.

 Help us improve. Please let us know the company, where you were asked this question :   

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Cumulus systems: Interview wasnt easy as I wasnt much ... Anonymous

Cumulus systems: They asked me to write program for ... Vijay