December 11, 2020

reusability in uml

[9] ISRD GROUP,”Introduction to Object Oriented Programming through JAVA”,TATA Mc Graw Hill, Pg.No:109. Nowadays, a large number of software metrics has been proposed to measure effort and quality. TABLE 1. Large amount of code sharing occurs within each implementation classes. The development of software metrics for object oriented technology / programming has received more attention. The measurement of software/program and the software development process are much needed for software professionals attempting to improve their software process. A large number of metrics have been developed by researchers and numerous tools are available to help assess design quality and to collect metrics from software programs, designs, quality and maintenance etc [5][19][23][24]. [6] Etzkorn W.E., Hughes, Jr W.E. [8] Hector M. Olague , Letha H. Etzkorn, Senior Member, IEEE, Sampson Gholtson and Stephen Quattlebaum ,”Empirical Validation of Three Software Metrics Suites to Predict Fault-Proneness of Object-Oriented Classes Developed Using Highly Iterative or Agile Software Development Processes”,IEEE Transactions on Software Engineering, Vol. REUSABILITY IN UML We investigate reusability definition, assessment, and analysis for the unified modeling language (UML), focusing on using UML via a tool (e.g., Rational Rose, Together Control Center, etc.) 33,No.6,June 2007. Object oriented software is a more recent and important quality software than that of the old-style procedural software/program [24]. [14] Madumathi I. Reusability of shapes. Interfaces are used to organize code and provide a solid boundary between the different levels of abstraction [17] [4]. Many simplistic metrics do not capture the importance of whatever it is that it has to measure. The implementation of the creational pattern is responsible for managing the lifecycle of the instantiated object. Obtaining a database connection in your … In these developments some of them focused on a technology domain i.e. according to formula 1 and 2 the values are equal. The UML representation of these stereotype classes is suggested in [10] and was recently proposed to the OMG as an UML extension in [12]. Most of the programmers/developers view the software engineering as an engineering approach to develop the software [21]. ... Reusability: - After the system is more readable and broken down to pieces, it becomes easier to identify redundant and similar modules. As software is being developed, it is very good and important to keep an eye on the various parameters. REUSABILITY OF INTERFACES FOR SHAPES. We've received widespread press coverage since 2003, Your UKEssays purchase is secure and we're rated 4.4/5 on reviews.co.uk. Learn How to Order Essay Online. So the proposed approach is to derive a formula for calculating the reusability of interfaces accurately [23]. VAT Registration No: 842417633. Many simplistic metrics do not capture the importance of whatever it is that it has to measure. & B.Palaniappan,”A Tool for Extracting Object Oriented Metrics”,International Journal of Computing and Applications ,2007. We're here to answer any questions you have about our services. In these developments some of them focused on a technology domain i.e. The measurement activities require appropriate tools to calculate relevant metric values. of interfaces. [15] Markus Mohenen, “Interfaces with Default Implementations in Java”, Aachen University of Technology. Metrics are difficult to collect and may not really measure the intended quality measures of software. This is shown in table 1, 2 and 3. Based on the class structure designed at the development time the implementation classes are organized according to their interface group type and inheritance allowed to access common logic. Now, software engineering is the best solution to the software problems. [26] Victor Laing and Charles Coleman,”Principal Components of Orthoganal Object-Oriented Metrics”, Nov.20th 2008. No. No plagiarism, guaranteed! The Reusability of a Code Randy Lane March 27, 2012 The Reusability of a Code In computer science and software engineering reusability is a segment or part of a code that can be used again to add new functions with a little change or hardly any modification. [15] Markus Mohenen, “Interfaces with Default Implementations in Java”, Aachen University of Technology. Reference this. Reusability of interfaces are calculated by the following two ways: 1. [4] Dirk Riehle and Erica Dubach,”Working With Java Interfaces and Classes-How to Separate Interfaces from Implementations”, P.No:35-46, Published in Java Report 4, 1999. [7] FriedRich Steimann, Philip Mayer, Andreas MeiBner,”Decoupling Classes with Inferred Interfaces “, Proceedings of 2006 ACM, Symposium on Applied Computing, Pg.No:1404-1408. Python Class & OOP Fundamentals What is a Python class? ,”Automated reusability quality analysis of OO legacy software”, Information and Software Technology, Volume 43 , Issue 5, April 2001,P.No:295-308. Therefore object oriented languages like java gives higher potential to produce reusable code than abstract classes [15] [9] [16]. The measurement of software/program and the software development process are much needed for software professionals attempting to improve their software process. In this paper, the authors followed the first concept of reusability and measured the metric for interface reusability by giving a new formula. Use case include is a directed relationship between two use cases which is used to show that behavior of the included use case (the addition) is inserted into the behavior of the including (the base) use case.. In this paper, a two-level reusability technique for complex information systems specification is forwarded. Whether you agree or not, there is no commonly accepted definition of Object-Oriented Design (or Development, or Programming) (OOD, OOP). and Dikel .D.,”Reuse Library Standards Aid Users in Setting up Organizational Reuse Programs”,Embedded System Programming Product News,1996. TABLE 1. Measurement is not just a software activity. Encapsulation, Reusability and Extensibility,the large object oriented language notes. [14] Madumathi I. Many other programmers and developers believe that software reuse will help in reducing cost and provide other benefits in software development. In each diagram the reusability of an interface is calculated by using the formula and all interface reusability must be added to find the total reusability of interface diagram. Notes of UML Slideshare uses cookies to improve functionality and performance, and to … Dalal Sandeep et al, 2017 Proposed an approach to generate the test case scenarios in aspect-oriented program which derived from the UML. [3] Christopher L. Brooks, Christopher G.Buell, “A Tool for Automatically Gathering Object-Oriented Metrics”, IEEE, 1994. RI – Total Reusability of interface diagram. No. Object oriented programming software is more reusable than functionally decomposed software. In both ways i.e. Those metrics would provide limited insight into the quality and usability of the interface [12]. [19] Neville I. Churcher, Martin J. Sheppered, ACM Software Engineering Notes, Vol.20, Issue 2, P.No:69-75, April 1995. Interfaces in object oriented programming just contain names and signatures of methods and attributes, but no method implementations. We’ll occasionally send you promo and account related emails. In this paper, the authors followed the first concept of reusability and measured the metric for interface reusability by giving a new formula. Very few metrics are presented for object oriented interfaces. Reusability of interfaces is calculated by using the formula: (RI) = Total No. By measuring reusability we can measure software quality. A slightly different representation available with the Paradigm Plus CASE tool is shown in figure 1. To represent these ideas, we'll use a graphical notation called Unified Modeling Language. The authors have proposed a new metric to measure the reusability of interfaces in object oriented programming. There is no significant work on the design of human computer interfaces. In recent years, computer software is the single most important technology in the world. All work is written to order. In this paper, we argue that by carefully considering spatial reusability of the wireless communication media, we can tremendously improve the end-to-end throughput in multi-hop wireless networks. [2] Capers Jones,” Applied Software Measurement-Global Analysis and Productivity Quality”, 3rd Edition. [18] Nachiappan Nagappan, Thomas Ball and Andreas Zeller,” Mining Metrics to Predict Component Failures”, Verification and Measurement Group , Microsoft Research, 2005, Redmond, Washington. 6 ACTIVITIES. Nowadays interfaces are heavily used in all disciplines especially in object oriented programming [7]. Traditional metrics are used to measure the complexity of the program and comment percentage of the program. Based on the class structure designed at the development time the implementation classes are organized according to their interface group type and inheritance allowed to access common logic. [20] Pradeep Kumar Bhatia, Rajbeer Mann,” An Approach to Measure Software Reusability of OO Design “, Proceedings of 2nd International Conference on Challenges & Opportunities in Information Technology,COIT-2008,RIMT-IET,March 29,2008. [6] Etzkorn W.E., Hughes, Jr W.E. Software measurement is still considerably less than optimal in terms of measurement techniques and the volume and reliability of published data [2]. In these developments some of them focused on a technology domain i.e. Interfaces are used to organize code and provide a solid boundary between the different levels of abstraction [17] [4]. With the construct of an interface java allows a concept of high potential for producing a reusable code. and Davis C.G. In OOSE the analysis model is … Interfaces in object oriented programming just contain names and signatures of methods and attributes, but no method implementations. Software developers have continually attempted to develop new technologies due to the growing importance of computer software. Object oriented programming software is more reusable than functionally decomposed software. [10] Ivar Jacobson, Magnus Christerson, Patrick Johnson, Gunnar OverGarrd,”Object Oriented Software. An interface is a prototype for class. Moreover, it is difficult to support perfect encapsulation due to inheritance among classes. Reusability of software increase productivity and quality and reduce the cost [2][3][6]. Metrics are very essential and important to measure object oriented software programming [13]. If a class have an entity reference, it is known as Aggregation. Quality – Concepts And Practices”, P.No:140. If you need assistance with writing your essay, our professional essay writing service is here to help! By clicking “Proceed”, you agree to our terms of service and privacy policy. Disclaimer: This work has been submitted by a university student. The sec-ond level deals with reusing the resulting component-based The reusability of interfaces in a diagram is calculated by using the formula:-, R- Reusability and I1…..In are Interfaces. With the wide spread object oriented technology the subject of software engineering has received much attention over the last two decades [20][25]. Measurement is not only a performance factor that leads to behavioural changes but it is used to improve the factors that are being measured [2]. Creational patterns define mechanisms for instantiating objects. In literature, relatively little information has been published on metrics. of links to interfaces – No. Hence, this approach is an eye-opener to measure reusability of interface diagram. [9] ISRD GROUP,”Introduction to Object Oriented Programming through JAVA”,TATA Mc Graw Hill, Pg.No:109. The inheritance hierarchy of interfaces is independent than that of class inheritance tree. To validate the formula empirically three object-oriented diagrams are used to calculate the values for reusability of an interface for each diagram. Reusability is an attribute of software quality. RI – Total Reusability of interface diagram. When writing applications by using the simplest languages to the most powerful and complex languages, you still need to model. Measurement is the basis for all science and engineering. Reusable code is an effective combination 2 concept. Empirical validation is must to verify the usefulness of a metric in practical applications. Any opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of UKEssays.com. prior to the development of software (code). In this paper, a measurement has been proposed to calculate the reusability of interfaces in object oriented programming. In literature, relatively little information has been published on metrics. The Unified Modeling Language (UML), as an industrial standard for object-oriented modeling, is supported by many commercial modeling products. 5, Sep-Oct 2008. [5] El Hachemi Alikacem, Houari A. Sahraoui, “Generic Metric Extraction Framework”,IWSM/Metrickon, Software Measurement Conference 2006. So DIT of an interface has positive impact with the reusability of an interface. Keep your shapes in a library and reuse them in other diagrams. View Week 11 - UML.pptx from CS 3540 at Bowling Green State University. according to formula 1 and 2 the values are equal. 34, No. Many object oriented metrics proposed in literature survey lack theoretical proof and some have not been validated. From 1976 traditional metrics have been used in software measures for measuring the software complexity. UML is used as modeling language due to it being a standard. Figure: Direction signs in UML Multiplicity If you look at the below figure the customer class is basically associated with the address class and also observes the notations (*, 0 and 1).If you look at the right hand side the (1…. [23] Rudiger Lincke, Jonas Lundberg and Welf Lowe,”Comparing Software Metrics tools”,ISSTA ’08,July 20-24,2008. Reusability – The same (or similar) view for one application can be refactored for another application with different data because the view is simply handling how the data is being displayed to the user. Metrics are difficult to collect and may not really measure the intended quality measures of software. So DIT of an interface has positive impact with the reusability of an interface. Consider a situation, Employee object contains many informations such as id, name, emailId etc. Software reuse increases production and quality of software and reduces software development cost and time. [19] Neville I. Churcher, Martin J. Sheppered, ACM Software Engineering Notes, Vol.20, Issue 2, P.No:69-75, April 1995. Measurement is the technology that allows the software professional to make visible progress for improving the software related factors. Q A QA InfoTech is a C M M i CMMi Level III and I S O ISO 9001: 2015, I S O ISO 20000-1:2011, I S O ISO 27001:2013 certified company. Software developers have continually attempted to develop new technologies due to the growing importance of computer software. The authors used three UML object oriented diagrams to validate the formula. Metrics are very essential and important to measure object oriented software programming [13]. Study for free with our range of university lectures! Reusability is always an interesting topic with shining promise. & Boughton .C,”Using a Combination of Measurement Tools to Extract Metrics from Open Source Projects”, Proceedings of Software Engineering and Applications of 2008. In recent years, computer software is the single most important technology in the world. [25] Terry .C. Aggregation represents HAS-A relationship. Software engineering started with a humble beginning and it has slowly come into existence. * Efficiently defined class structure and inheritance. Traditional metrics are important to measure non object oriented programs [18]. Run on Windows, Linux, Mac OS X. www.visual-paradigm.com. [1] Bakar N.S.A.A. Therefore object oriented languages like java gives higher potential to produce reusable code than abstract classes [15] [9] [16]. Try the FREE web based UML Drawing tool. UML 1 – First version of the Unified Modeling Language Unified Modeling Language (UML) – A visual language for specifying, constructing, and documenting the artifacts of systems Use Case – In a Use Case Diagram, represents an action that the system takes in response to some request from an Actor.

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