Software evolution source code refactoring techniques when and why?

Arely Sporer asked a question: Software evolution source code refactoring techniques when and why?
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Date created: Mon, Apr 26, 2021 6:15 AM

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Those who are looking for an answer to the question «Software evolution source code refactoring techniques when and why?» often ask the following questions:

💻 What is software source code?

Open source software is usually developed as a public collaboration and made freely available. Source Code: Source code is the fundamental component of a computer program that is created by a...

💻 What is refactoring in software development?

Definition. Refactoring consists of improving the internal structure of an existing program’s source code, while preserving its external behavior. The noun “refactoring” refers to one particular behavior-preserving transformation, such as “Extract Method” or “Introduce Parameter.”.

💻 Is source code in open-source software visible?

Visible: Hidden: When a Source is selected in the Sources list, you will see a red box that shows up around it. This is the bounding box, and can be used to position sources within the preview as well as make the source larger or smaller. If you need to crop a source, hold the Alt key and drag the bounding box.

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EVOLUTION --- DECADE OF REFACTORING --- CS563 WEEK 1 - THU Danny Dig . Objectives YOU created 2 . Course Objectives Software Maintenance and Evolution research & practice - state of the art under the theme of Mobile and IoT Develop critical thinking abilities Practice giving scientific presentations and teaching others Engage in active learning activities in class, such as discussions Practice a research or novel-industrial project through all its stages Have fun learning 3 . Course ...

Refactoring, software evolution, code smells, GitHub 1. INTRODUCTION Refactoring is the process of improving the design of an existing code base, without changing its behavior [26]. Since the beginning, the adoption of refactoring practices was fos- tered by the availability of refactoring catalogues, as the one proposed by Fowler [10]. These catalogues define a name and describe the mechanics of each refactoring, as well as demonstrate its application through some code examples. They also ...

Patterns of Source Code Refactorings Changes may occur entirely within the source code as a result of refactoring – defined by Martin Fowler as “a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing its observable behavior” (Fowler 1999).

Software Maintenance, Software Evolution, Source Code Manipulation, Refactoring I. INTRODUCTION As software ages, it must be updated to conform with new requirements, changing environments (e.g., updated operating system, new API), and other shifting development needs. These all fall under the umbrella of software maintenance, which is the costliest phase of the software development lifecycle. One common activity to maintain software is refactoring [1]. Refactoring is a change applied to the ...

Step 3: Refactor the Application Refactoring is the process of changing a software system in such a way that it does not alter the function of the code yet improves its internal structure. When carried out manually, refactoring is applied directly to the source code and is generally a labor-intensive, ad hoc, and potentially error-prone process.

Typically, refactoring applies a series of standardised basic micro-refactorings, each of which is (usually) a tiny change in a computer program's source code that either preserves the behaviour of the software, or at least does not modify its conformance to functional requirements.

- Refactoring, The design of existing Code, Martin Fowler, 1999 • “Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior. – Refactoring.com, Martin Fowler 2016 9 10. What is Code Refactoring?

Demeyer et al. proposed the first technique for detecting the refactorings applied between two versions of a software system. They defined heuristics as a combination of change metrics that identify a refactoring type, such as Split/Merge Class, and Move/Split Method.

Once code smells are located in a system they can be removed by refactoring the source code (Fowler 1999). However, detection in large software systems is a time and resource-consuming, error-prone activity (Travassos et al. 1999), and manual inspection is slow and inaccurate (Langelier et al. 2005).

Lemman’s Laws of Software Evolution • Total 8 Laws – Law 1: Software Change is inevitable – Law 2: As software changes, it becomes more complex – Law 3: Self-Regulation (Predict the change?) – Law 4: Conservation of Organizational Stability – Law 5: Conservation of Familiarity (Perceived Complexity) – Law 6: Continuing Growth (Size of Software) – Law 7: Declining Quality – Law 8: Evolution processes are feedback systems • Read more on Original Lemman’s paper (1974) an

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