Infosys Design - Interview Questions and Answers for 'Infosys' - 7 question(s) found - Order By Newest Very Frequently asked. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Among first few questions in many interviews.
Q1. Differences between abstract class and interface ? Core Java
Admin firstname.lastname@example.org Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ).
A class can extend single abstract class whereas it can implement multiple interfaces. Help us improve. Please let us know the company, where you were asked this question : VIDEO Like Discuss Correct / Improve java classes abstract class interfaces GlobalLogic HCL Technologies Tata Consultancy (TCS) Infosys Wipro Mindtree CapitalOne Accenture IBM India Infoview Technologies Salesforce AT&T United Health Group (UHG) Verilogue Amazon Expeditors Syntel SalesForce Cornerstone OnDemand Expedia OLA NSF International Copper Mobile Think Future Technologies MorphoTrust Global Healthcare Prodigious Internet Brands SciQuest arvato Systems iCIMS Ideas2IT virtusa polaris Vitech Systems Cognizant (CTS) Speridian Technologies Ojas Innovative Technologies SWC Technology Partners Cricbuzz Jean Martin Capgemini Virtusa ECI Telecom Aptify Crossover ample softech Metanoia software solutions Overstock.com Unic Sol India Experis India Intellect Design Arena Sarathi Softech Transorg Analytics Cibersites India Resource Weaver Indium Software Kone Elevator Merkur Gaming Prama Hikvision Gurucul Solutions e-Zest Solutions ReadMind Info Services basic   frequent Almost sure to be asked in every company using any Dependency Injection framework ( Spring, Guice etc )
Q2. What is Dependency Injection or IOC ( Inversion of Control ) ? Design Ans. It is a Design Pattern that facilitates loose coupling by sending the dependency information ( object references of dependent object ) while building the state of the object. Objects are designed in a manner where they receive instances of the objects from other pieces of code, instead of constructing them internally and hence provide better flexibility. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve design patterns ioc ( Inversion of Control ) dependency injection Nucleus Software Exports HCL Technologies Tata Consultancy (TCS) HCL Infosys Cognizant (CTS) Barclays General Electric Infosys Technologies Elsevier Sabre ZapCom Nike Sogeti CSG International Lowes DWS Mitsui Bussan Logistics Payment Processing Partners Liquidnet AmTrust Financial VectorForm Cybage Vanderbilt University Cigniti Accenture Ball Aerospace GE Healthcare 1-800 Contacts VinSolutions Arrow Electronics Monitise Avenue Code Thetus Corporation Shodogg Levi9 BuildLinks Suyati Technologies Kanerika Software Alliance Inspection Management Promega Victorious Zoll Data Systems Parkmobile PerceptiMed Crate and Barrel Carbonite Concur Codazen GlobalLogic AccuSoft Attinad Tillster AppRiver TrustPilot Pearson Kony Art Technology Group VeriSign Accion Labs IGS Energy National Bankruptcy Services RealPage Green Dot Indecomm Global bebo Technologies Open Solutions Xoriant NCR Macmillan Cancer Support NetSuite Asynchrony Labs DealDash Vizio Fiserv Federal Reserve Bank of Minneapolis Tinder FICO Trustwave intermediate   frequent Very frequently asked.Usually among first few questions.
Q3. 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 : Like Discuss Correct / Improve j2ee mvc mvc design pattern design pattern struts spring web application web frameworks ebay HCL Technologies Tata Consultancy (TCS) Wipro United Health Group (UHG) Accenture Fidelity Fidelity Investments
Tieto Walt Disney Sharon Software Systems Tech Mahindra Amdocs Deegit Lexis Nexis Elsevier Symantec Infosys Priceline Ancestry Cumulus Systems Capgemini Symantec Motorola Solutions Priceline Overstock Ancestry Vitech Systems Group Wells Fargo PayloCity ITHAKA MIT Chewy Deutsche Bank Bureau Veritas HARMAN Marlabs Mindtree Jefferies Solstice Cogent Infotech Cybage Software Uneecops Technologies Sky Betting & Gaming Conduent Aricent DataMetica Winsoft Technologies Altimetrik.Harbinger Group Bombayworks Software Solutions LiveVox Quickwork Technologies Codoc Technologies Provizor It Services Fulcrum Worldwide Thermo Fisher Scientific CME Group New Era India Consultancy Live Connections Simeio basic   frequent Try 1 Question(s) Test Very frequently asked. Usually followed by questions related to private constructor and synchronized access. Frequently asked in JPMorgan and TCS (Based on 2 feedback)
Q4. Explain Singleton Design Pattern ? Design
Admin email@example.com Ans. http://www.buggybread.com/2014/03/java-design-pattern-singleton-interview.html Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve java design pattern singleton at&t ebay fidelity india united healthcare india JP Morgan Tata Consultancy (TCS) HCL Technologies Wipro Infosys Tibco Edline JPMorgan Chase Sabre Bank Of America India Fidelity Samsung India Robert Bosch India ZapCom Goldman Sachs India Eze Software ZapCom Dailymotion Netflix CenturyLink Misfit TSYS ECI Telecom Dealogic Robert Bosch Redolent EFI CSX Prolific Validus Birlasoft AdNovum NCR Ray Business Technologies Nagravision Unify SLK Group DBS Bank
Razorthink GST Global USAA Ray Technologies Ray Business Technologies (Raybiztech) Raybiztech Deloitte intermediate   frequent Frequently asked Design Pattern interview question.
Q5. What is a prototype design pattern ? Design 2016-11-04 08:06:01 Ans. The prototype pattern is a creational design pattern. It is used when the type of objects to create is determined by a prototypical instance, which is cloned to produce new objects. Prototype is used when we need duplicate copies of objects. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve design pattern prototype design pattern CapitalOne Orion Edutech Harris Myntra Tata Consultancy (TCS) HCL Technologies Infosys Wipro Tech Mahindra IBM Mahindra Satyam intermediate Very Frequently asked to Senior Software Engineers or Developers.
Q6. Describe some of the Design Patterns you have used ? Design 2016-12-01 16:31:17 Ans. [Open Ended Answer] Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve design patterns Goldman Sachs Lexis Nexis Elsevier HCL Technologies Tata Consultancy (TCS) Infosys Technologies Fidelity Investments Nucleus Software Exports General Electric Cognizant (CTS) Amdocs MathWorks Xebia Goldstone technologies Horizon Solutions ECI Telecom One Click Retail intermediate   frequent
Q7. Explain flow of MVC Design 2018-02-20 17:45:15 This question was recently asked at 'Infosys'.This question is still unanswered. Can you please provide an answer. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Infosys