Design - Interview Questions and Answers for 'Itech' | Search Java Interview Question

Design - Interview Questions and Answers for 'Itech' - 2 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
info@buggybread.com}

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 :

_{Like Discuss Correct / Improve java classes abstract class interfaces GlobalLogic HCL Technologies Tata Consultancy (TCS) Infosys Wipro Mindtree CapitalOne Accenture Accenture India 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 Equator Business Solutions basic frequent}

Related Questions

What are the different uses of Interfaces in Java ?

Why can't we have diamond problem with interfaces ?

What is the difference between List, Set and Map ?

or

What are the different Java Collections Interfaces ?

What are Marker Interfaces ? Name few Java marker interfaces ?

Why do we need Thread class even in case we execute thread using runnable interface ?

Which of the following doesn't extend Collection interface ?

If an Abstract class has only abstract methods, What's the difference between such a class and an interface ?

What is an API ( Application Programming Interface ) ?

Can we declare interface methods as private ?

Very frequently asked.Usually among first few questions.

Q2. 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 Accenture India 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}