I was asked something like after this refactoring, will i have a better product. Newest refactoring questions feed subscribe to rss newest refactoring questions feed to subscribe to this rss feed, copy and paste this url into your rss reader. In the end, i will teach you how to smell a bad code and improve it with refactoring. Explore presentation topics for computer science students, computer science cse engineering and technology seminar topics, latest cse mca it seminar papers 2015 2016, recent essay topics, speech ideas, dissertation, thesis, ieee and mca seminar topics, reports, synopsis, advantanges, disadvantages, abstracts, presentation pdf, doc and ppt for. Incurs a shortterm timework cost to reap longterm benefits a longterm investment in the overall quality of your system. Reuseoriented software engineering 12 based on systematic reuse where systems are integrated from. Existing software system an overview sciencedirect topics. Waterfall model the waterfall model is the traditi step.
Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. The outcome of software engineering is an efficient and reliable software product. Familiarity with a highlevel programming language and data structures textbooks. Refactoring is the activity of improving the internal structure or operation of a code or component without changing its external behavior. Refactoring requirements engineering searchbased software engineering software economics and metrics. Objectoriented software engineering pdf by professor. Pdf model refactoring in web applications researchgate.
Refactoring produces a subsequent enhancement of software of design. When a software system is successful, there is always a need to keep enhancing it, to fix problems and add new features. This page aims to list all topics related to the specific discipline of software engineering. Software characteristics are classified into six major components. Full development then consists of several iterations, each adding certain functionality or properties to the already existing software system. Ppt software engineering refactoring powerpoint presentation free to view id. Refactoring a software system means to refurbish it internally without interfering with its external properties.
Our book fills this important gap by illustrating how we can view smells and refactoring from the perspective of design principles. Improving a piece of softwares internal structure without altering its external behavior. I will guide you through antipatterns, common pitfalls and mistakes that people make when they plan, create, and manage software projects. Particularly, we define refactorings on the navigation and presentation models, and present examples. It still works the same, uses the same data, carries out the same functions, and interacts with the user the same way. Code refactoring is the process of changing a computer programs internal structure without modifying its external functional behavior or existing functionality, in order to improve internal nonfunctional properties of the software, for example to improve code readability, to simplify code structure, to change code to adhere to a given. In other words, it refers to identifying, analyzing and removing errors. This paper explores software engineering frameworks and methodologies and related topics. The term is by analogy with the factorization of numbers and polynomials. Currently affiliated with three rivers institute and agitar software, he is the author of many addisonwesley titles. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Software engineering seminar topics latest software.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The process of software evolution is driven by requests for changes and includes change impact analysis, release planning and change implementation. The adobe flash plugin is needed to view this content. Hello friends, we know that so far we have just worked for engineering students and all those people who belongs to some technical courses or degrees. Lehmans laws, such as the notion that change is continuous, describe a number of insights derived from longterm studies of system evolution.
Software engineering topics alphabetical engineering. In the context of software engineering, debugging is the process of fixing a bug in the software. Basically, code refactoring is the process of changing a programs source code without modifying its external functional behavior, in order to improve some of the nonfunctional attributes of the software. The current trend in software engineering is to minimize the process of initial development, making it into only a preliminary development of a skeletal version or of a prototype of the application. Spring 2005 ece450h1s software engineering ii today topics on requirements engineering 1. Software project management has wider scope than software. This presentation contains all the topics in design concept of software engineering. Software is defined as collection of computer programs, procedures, rules and data. You have to consider some of the design concepts that are given in the ppt. Refactoring and patterns, refactoring to patterns, code quality. Software engineering approaches, including formal methods, agile methods and theoretical algorithms for iot natural science as a service nsaas including weather forecasting and weather data visualization. Improving the design of existing code shows how refactoring can make objectoriented code simpler and easier to maintain. I will tell you a lot of stories about good software architecture and teach you how to create it with design patterns. Heinz zullighoven, in objectoriented construction handbook, 2005.
This presentation on code refactoring is part of a larger course. Craig larman, applying uml and patterns, 3rd edition, prenticehall, 2007. In earlier labs we called this topic refactoring, but we realized that the students. Refactoring, improving software code, redesign, design tips, patterns. This should not change the observable semantics of the program to the outside. Refactoring is a proven way to prevent software decay.
Reference to robert martin, who poplularized these principles. In reality the process of dealing with legacy code often begins with refactoring, and progresses to reengineering. Engineering maintainable android apps, which is a 4 week mooc that shows by example various methods for engineering maintainable android apps, including testdriven development methods and how to developrun unit tests using junit and robotium or equivalent automated testing frameworks for android, as well as how to successfully apply common javaandroid software. Paper presentation topics 2020, ppt topics 2020, ppt competitions 2020, paper presentation events 2020, seminar topics 2020. To improve the design of software to counter code decay software ageing.
Refactoring is changing a software system in such a way that it addresses nonfunctional requirements e. But from now we will be working for everyone student or person who is willing to give a ppt presentation we have started making this list of non technical seminar topics. A free powerpoint ppt presentation displayed as a flash slide show on id. Design principles are very important for developers and architects, as craig larman observes. Read about when refactoring the architecture might be a. Software engineering systems engineering sports engineering wind engineering. Student learns what each principle is for in the acronym solid which include the single responsibilty principle, openclosed principle, liskov substitution principle, interface segregation principle and dependency inversion principle. Persuading management that refactoring code is a good idea. Kent beck consistently challenges software engineering dogma, promoting ideas like patterns, testdriven development, and extreme programming. Pdf about software engineering frameworks and methodologies. Refactoring is like continuing repair of a living system. Software design has always been the most important phase in the development cycle. In his famous book martin fowler defines refactoring as follows. Code refactoring techniques in agile software development.
Potential research directions posted on april 25, 2016 by tushar sharma smells and refactoring have received considerable focus from the academia as well as from the industry in the past two decades. Motivation for software architecture refactoring dzone. Spring 2005 ece450h1s software engineering ii refactoring refactoring is the process of rewriting written material to improve its readability or structure, with the explicit purpose of keeping its meaning or behavior. This is much more helpful in designing new product. Refactoring is usually a relatively small act on an application. Epl603 topics in software engineering efi papatheocharous visiting lecturer. The goal of software development is the continuous delivery of business value to users and stakeholders. Refactoring is meant as an improvement of the internal structure of a software system. Refactoring is seen as a disciplined approach that allows code to be cleared without building new errors into the software. List of non technical topics with ppt or presentation 2020. Cleaning up code so that it minimizes chances of bugs improving design of code after it is written.
Refactoring is intended to improve the design, structure, andor implementation of the software its nonfunctional attributes, while preserving the functionality of the software. Motivation for software architecture refactoring software architecture is constantly shifting and changing during development. Reengineering and refactoring look very similar, and there are likely areas, such as migration, where they overlap. What is refactoring and what is only modifying code. Topics in software e sf r i software requirements wh what e to do. This activity begins after the software fails to execute properly and concludes by solving the problem and successfully testing the software. Explore software engineering seminar topics, computer science cse engineering and technology seminar topics, latest cse mca it seminar papers 2015 2016, recent essay topics, speech ideas, dissertation, thesis, ieee and mca seminar topics, reports, synopsis, advantanges, disadvantages, abstracts, presentation pdf, doc and ppt for final year be, btech, mtech, msc, bsc, mca and bca 2015, 2016. Reengineering versus refactoring the craft of coding. Refactoring is the process of changing a software system in such a way that it does not alter the external behavior of the code yet improves its internal structure. So, refactoring may not be the fastest way to grow your business, but is probably among the safest.
But the nature of a codebase makes a big difference on how easy it is to make these changes. Software engineering is an engineering branch associated with development of software product using welldefined scientific principles, methods and procedures. Today refactoring requires considerable design knowhow, but once tools become available, all programmers should be able to improve their code using refactoring techniques. The core design concepts in software engineering should be followed to create a successful program or application. Unless time and money is spent on refactoring to improve the software, regular change tends to corrupt its structure. Refactoring is the process of changing a software system in such a way that it does not alter the external behavior of the code, yet improves its internal structure. We talked about the definition of refactoring, why we find we dont use debuggers much, what might be done to modernize the book, the role of refactoring tools, whether comments can be used for good, the tradeoff between refactoring and rewriting, modularity and microservices, and how the software industry has changed over the last twenty years. It is a disciplined way to clean up code that minimizes the chances of introduci. Lecture 5 topics on refactoring department of computer. Explore software engineering seminar topics, computer science cse engineering and technology seminar topics, latest cse mca it seminar papers 2015 2016, recent essay topics, speech ideas, dissertation, thesis, ieee and mca seminar topics, reports, synopsis, advantanges, disadvantages, abstracts, presentation pdf, doc and ppt for final year be. If you find an article that belongs here but isnt listed, please update accordingly. Fourth, the proposal is introduced and is followed by the presentation of a real. If you like geeksforgeeks and would like to contribute, you can also write an article using contribute. It removes redundancy, unused design elements, inefficient or unnecessary algorithms.
Code refactoring is the process of restructuring existing computer codechanging the factoringwithout changing its external behavior. The purpose of this study is to add further understanding in. The best thing about refactoring is its remarkably clear presentation. The example illustrates that code refactoring helps reduce complexity without. Epl603 topics in software engineering computer science. Introduction to refactoring refactoring refactoring is. Constantly changing technology, coupled with evolving business objectives makes it difficult to maintain and constantly increase business value. Incremental software reengineering controls the level of risk, says michael r. The critical design tool for software development is a mind well educated in design principles 3.
The more time you put into designing a resilient and flexible architecture, the more time will save in the future. Refactoring refactoring is a reorganization technique that simplifies the design or internal code structure of a component without changing its function or external behaviour. Design patterns elements of reusable objectoriented software. A discussion of refactoring in research and practice lore. In other words, code refactoring is the process of clarifying and simplifying the design of existing code. Introduction to refactoring department of mathematics. What is the difference between refactoring and reengineering. Olsem in his work an incremental approach to software systems reengineering. Refactoring is often a part of the lifecycle of software, and may not be targeted specifically at legacy code. There may be a few new options available but usually it stays. Pdf refactoring has been growing in importance with recent software.
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