Whereas, if we are modeling a person in a hospital patient system, we would capture and focus on the name, age, height, weight etc. We would ignore other attributes such as weight, height etc.
In other words, Abstraction is the principle of perceiving real life things from a particular perspective, based on the system we are designing focusing only on those aspects that are relevant to this system and ignoring all other aspects.įor Example - If we are modeling a person in a payroll system, we would capture and focus on the name, age, title, company and salary attributes. Robinson, Deloitte, FDM Group, Guidewire, Infosys, Microsoft, Revature, Sphere Solutions, TIBCO Software, Tribro ,Ībstraction is one of the four key principles of object-oriented programming.Ībstraction is the principle of object-oriented programming in which unimportant characteristics of an object are refined, removed or hidden and only the key set of characteristics are represented to the outside world. * Similar Java Interview Question Recently Asked Accenture, Allscripts, C.H. Review them, make them a part of Java vocabulary, and talk about them confidently during your interview process. Important Keywords are listed at the end of the questions. In addition strategies for approaching and solving the scenario based design questions are also provided below. These are white boarding design questions such as 'Design a parking structure' or ' Design a payroll system' etc.īelow Java object oriented programming interview questions, answers, coding samples and tips will help you get grounded on the fundamentals of Java object oriented programming, which is sufficient for most Java programming interviews. Good understanding of Java objected oriented principles is important in interviews for senior level designer and architect roles, where you will be asked to design solutions based on real world scenarios.
Questions on Java object oriented programming principles are commonly asked in telephonic screening interviews as well. Hence questions regarding the object oriented principles of Java programming language are commonly asked in interviews - for beginner as well as for senior level positions and for all job roles including Java programmers, designers, architects and managers.
Java is an object-oriented programming language. Java - Object Oriented Programming - Interview Questions
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