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IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE)

作者： Sim Tze Ying School of Interdisciplinary Studies Sunway University Subang Jaya Malaysia

ISBN: (数字)9781728126654

ISBN: (纸本)9781728126661

Novice programming is a challenging subject to teach and learn. However, programming is an essential skill that is required by many majors apart from Computer Science. The challenges in a novice programming subject change according to the programming language used. At the beginning of the 90s, the object-oriented programming was introduced. Detienne claimed that it is easier for programmers to program using the object-first approach as humans think naturally in objects. The IEEE and ACM joint task force on Computing Curriculum proposed two tracks of curriculum, one for imperative-first and the other for object-first implementation. However, most of the work conducted on novice programming focused on the issues of syntax errors, reducing the possibilities of syntax error through a new or adapted programming environment. This paper will present the preliminary work to investigate if students will naturally think in objects or a series of steps. Three intervention methods were implemented in three different workshops. The intervention methods are the object-first, the imperative-first and the problem-solving-first. The students are then requested to design an application. Through the design, the research will identify if the students use the object-first or the imperative-first design. Assuming that the object-first intervention group will design primarily in objects, and the imperative-first intervention group in a series of steps, the problem-solving intervention will be the “neutral” group. The object-first design is reflected through the attributes and methods of a particular object. The imperative-first design is identified if the solution contains a series of steps. The findings show that most of the students designed the application using a series of steps reflecting the imperative-first design. This finding should be included when considering if imperative-first or object-first should be the way forward for a novice programming subject.

关键词： Syntactics programming profession Conferences Computer languages object oriented programming Tools

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Software system design based on patterns for Newton-type methods

arXiv

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arXiv 2019年

作者： Barrera, Ricardo Serrato Gómez, Gustavo Rodríguez Sansalvador, Julio César Pérez Hernández, Saul E. Pomares Pulido, Leticia Flores Munoz, Antonio Estratei Sistemas de Información S.A. de C.V. Virrey de Mendoza 605-B Col. Las fuentes Zamora Michoacán59699 Mexico Cátedra CONACyT Instituto Nacional de Astrofísica Óptica y Electrónica Computer Science Department Luis Enrique Erro 1 Tonantzintla Puebla72840 Mexico Universidad Autónoma de Tlaxcala Facultad de Ciencias Básicas Ingeniería y Tecnología Calzada Apizaquito Colonia Apizaquito Apizaco Tlaxcala90300 Mexico Departamento de Ingenierías Universidad de Guadalajara Ave. Independencia Nacional Autlán Jalisco Mexico

A wide range of engineering applications uses optimisation techniques as part of their solution process. The researcher uses specialized software that implements well-known optimisation techniques to solve his problem. However, when it comes to develop original optimisation techniques that fit a particular problem the researcher has no option but to implement his own new method from scratch. This leads to large development times and error prone code that, in general, will not be reused for any other application. In this work, we present a novel methodology that simplifies, fasten and improves the development process of scientific software. This methodology guide us on the identification of design patterns. The application of this methodology generates reusable, flexible and high quality scientific software. Furthermore, the produced software becomes a documented tool to transfer the knowledge on the development process of scientific software. We apply this methodology for the design of an optimisation framework implementing Newton's type methods which can be used as a fast prototyping tool of new optimisation techniques based on Newton's type methods. The abstraction, re-useability and flexibility of the developed framework is measured by means of Martin's metric. The results indicate that the developed software is highly *** Codes 68N19 Copyright © 2019, The Authors. All rights reserved.

关键词： object oriented programming

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Development a computer codes to couple PWR-GALE output and PC-CREAM input 2

Development a computer codes to couple PWR-GALE output and P...

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2nd International Conference on Nuclear Energy Technologies and Sciences (ICoNETS)

作者： Kuntjoro, S. Setiawan, M. Budi Adi, Nursinta W. Deswandri Sunaryo, G. R. Natl Nucl Energy Agcy Indonesia BATAN Ctr Nucl Reactor Technol & Safety Kawasan PUSPIPTEK Gd 80 Serpong Tangerang Selata Indonesia

Radionuclide dispersion analysis is part of an important reactor safety analysis. From the analysis it can be obtained the amount of doses received by radiation workers and communities around nuclear reactor. The radionuclide dispersion analysis under normal operating conditions is carried out using the PC-CREAM code, and it requires input data such as source term and population distribution. Input data is derived from the output of another program that is PWR-GALE and written Population Distribution data in certain format. Compiling inputs for PC-CREAM programs manually requires high accuracy, as it involves large amounts of data in certain formats and often errors in compiling inputs manually To minimize errors in input generation, than it is make coupling program for PWR-GALE and PC-CREAM programs and a program for writing population distribution according to the PC CREAM input format. This work was conducted to create the coupling programming between PWR-GALE output and PC-CREAM input and programming to written population data in the required formats programming is done by using Python programming language which has advantages of multiplatform, object-oriented and interactive. The result of this work is software for coupling data of source term and written population distribution data. So that input to PC-CREAM program can be done easily and avoid formatting errors. programming sourceterm coupling program PWR-GALE and PC-CREAM is completed, so that the creation of PC-CREAM inputs in souceterm and distribution data can be done easily and according to the desired format.

关键词： object oriented programming

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Thinging for computational thinking

arXiv

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arXiv 2019年

作者： Al-Fedaghi, Sabah Alkhaldi, Ali Abdullah Computer Engineering Department Kuwait University Kuwait

This paper examines conceptual models and their application to computational thinking. Computational thinking is a fundamental skill for everybody, not just for computer scientists. It has been promoted as skills that are as fundamental for all as numeracy and literacy. According to authorities in the field, the best way to characterize computational thinking is the way in which computer scientists think and the manner in which they reason how computer scientists think for the rest of us. Core concepts in computational thinking include such notions as algorithmic thinking, abstraction, decomposition, and generalization. This raises several issues and challenges that still need to be addressed, including the fundamental characteristics of computational thinking and its relationship with modeling patterns (e.g., object-oriented) that lead to programming/coding. Thinking pattern refers to recurring templates used by designers in thinking. In this paper, we propose a representation of thinking activity by adopting a thinking pattern called thinging that utilizes a diagrammatic technique called thinging machine (TM). We claim that thinging is a valuable process as a fundamental skill for everybody in computational thinking. The viability of such a proclamation is illustrated through examples and a case study. Copyright © 2019, The Authors. All rights reserved.

关键词： object oriented programming

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Development of secured systems by mixing programs, specifications and proofs in an object-oriented programming environment: A case study within the FoCaLiZe environment

Development of secured systems by mixing programs, specifica...

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ACM SIGPLAN 7th Workshop on programming Languages and Analysis for Security, PLAS'12

作者： Doligez, Damien Jaume, Mathieu Rioboo, Renaud Gallium Inria Rocquencourt France SPI LIP6 Univ. P. and M. Curie Paris France CPR CEDRIC ENSIIE Evry France

ISBN: (纸本)9781450314411

FoCaLiZe is an object-oriented programming environment that combines specifications, programs and proofs in the same language. This paper describes how its features can be used to formally express specifications and to develop by stepwise refinement the design and implementation of secured systems, while proving that the implementation meets its specification or design requirements. We thus obtain a modular implementation of a generic framework for the definition of security policies together with certified enforcement mechanism for these policies. © 2012 ACM.

关键词： object oriented programming

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A Diagnostic Tool for Assessing Students' Perceptions and Misconceptions Regards the Current object "this" 11th

A Diagnostic Tool for Assessing Students' Perceptions and Mi...

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11th International Conference on Informatics in Schools - Situation, Evolution, and Perspectives (ISSEP)

作者： Noa, Ragonis Ronit, Shmallo Beit Berl Coll Beit Berl Kfar Saba Israel Technion Israel Inst Technol Haifa Israel Shamoon Coll Engn Ashdod Israel

ISBN: (纸本)9783030027506;9783030027490

Understanding of the object concept in object oriented programming (OOP) is obviously the center of the paradigm. Many educators and researchers explored students' difficulties and developed teaching materials targeted at this central concept. The paper presents a diagnostic tool we developed that aims to reveal students' perception and understanding about the current object, referring to it by the this annotation. Proper conceptualization of this indicates an understanding of objects in general, and involves aspects of memory allocation and programming approaches. The tool contains five questions, each devoted to covering different aspects in various frameworks, such as: using this in constructors, using this as a visible parameter, using this in inheritance, or making necessary changes in transition from a non-static context that uses this to a static context. The questionnaire combines closed questions with a request to explain the answers and open questions. In the paper we present the purpose of each question, and address what it comes to examine. The diagnostic tool is based on known educational approaches: Bloom's taxonomy, assessment for, as, and of learning and learning from errors. The tool can be used by educators at high school or academic levels as a teaching tool, as a base for discussions, or as an evaluation tool. A short report on the use of the tool with different populations, including high school teachers, is presented. The paper uses Java as the programming language, but it easily can be translated to other OOP languages.

关键词： object oriented programming The current object The this annotation

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Interactive Learning of Abstract programming Concepts with InteractiveOOP 6

Interactive Learning of Abstract Programming Concepts with I...

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6th International Conference on Learning and Teaching in Computing and Engineering (LaTiCE)

作者： Ahmad, Asheer Chokshi, Harsh De Ruvo, Giuseppe Giacaman, Nasser Univ Auckland Dept Elect & Comp Engn Auckland New Zealand

ISBN: (纸本)9781538678978

Not only is understanding object-oriented programming fundamental for software engineering and computer science students, but it is also important for non-major programming courses. Combined with the burden of navigating a new programming language, students can struggle to understand the abstract concepts that underpin the paradigm. Existing learning solutions typically concentrate on a particular programming language. This paper proposes The Realization Framework for teaching abstract programming concepts without code. It employs analogies and visualization to translate the abstract concepts into forms students can understand. Theories on education and student interaction are incorporated to guide the learning process. INTERACTIVEOOP, a practical implementation of this framework, was evaluated by novice programmers in a non-major CS2 programming course. Students responded positively to the tool, noting that the interactive, visual presentation of abstract concepts helped them deepen their understanding.

关键词： mobile learning object oriented programming visualisation

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Design and validation of Cyber-Physical Systems through model abstraction*

Design and validation of Cyber-Physical Systems through mode...

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IEEE International Symposium on Systems Engineering (ISSE)

作者： Marina Rantanen Modeer Sebastian Engell Process Dynamics and Operations Groups Technische Universität Dortmund Dortmund Germany

Cyber Physical Systems (CPSs) are a category of systems of systems (SoS) that integrate physical and computational elements. Such systems have existed for some time, but rigorous design methodologies for CPSs are scarce. The typical design process of a CPS makes use of a large number of models to help answer the wide range of design questions that arise in development. In other words, the design process produces models that describe the various crucial aspects, scopes and system components on different level of detail and abstraction. These partial models can potentially be coupled for effective information propagation across the different modeling perspectives to increase design reliability. However, they are usually expressed in different specialized tools and programming languages as a consequence of the system heterogeneity and the preference of the numerous designers involved. This paper therefore proposes generating abstractions of detailed sub-models, and then embedding those abstractions into system-wide models formulated in other formalisms.

关键词： cyber-physical systems object-oriented programming programming languages systems of systems Computer programming Languages object oriented programming Cyber-physical systems Abstraction design process System of systems

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Search Based Risk Reduction Supporting the Intelligent Components Selection Process

Search Based Risk Reduction Supporting the Intelligent Compo...

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CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)

作者： Pablo Valenzuela-Toledo Carlos Cares Mauricio Diéguez Departamento de Ciencias de Computación e Informática Universidad de La Frontera Avenida Francisco Salazar Chile Centro de Estudios de Ingeniería de Software Universidad de La Frontera Avenida Francisco Salazar Chile Departamento de Ciencias de Computación e Informática Universidad de La Frontera Avenida Francisco Salazar Temuco Chile

ISBN: (纸本)9781728131863

In Component-Based Software Engineering, the problem of selecting software components involve several risk factors. Traditionally, these have been identified and mitigated using software project management techniques. However, the new demand for intelligent components has added complexity to the process. Despite the success and technological advances, its development in an environment ready for production faces many challenges. There are numbers of technical issues that limit their adoption and selection, due to the introduction of new risk factors, different from traditional ones. Thus, our goal is to formulate a technique to minimize the risk in the intelligent component selection process. To achieve this goal, first, we review the literature to Figure out how software project management takes care of the risk and to identify and classify the risks factor associated with intelligent software components. Second, we formulate the component selection problem as a search based optimization problem. And Third, we illustrate our proposal by presenting an example in the context of an air pollution forecasting component. As a result, we were able to: (1) identify a lack of useful tools to manage the risk factor effectively in a software project; (2) we classify intelligent component associated risk; and (3) we introduce a risk management technique that supports the component selection process by maximizing requirement accomplishment, that is, minimizing the risk of the provision of the functionalities that satisfy the requirements. Overall, our work is an initial step in using search-based optimization in risk management to the component selection process.

关键词： air pollution object-oriented programming optimisation project management risk management search problems software management software management Risk Management Process selection object oriented programming component selection tabu search Project management Air contamination Risk Factors Risk Reduction management of resources

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Extending SHAPES for SIMD Architectures An approach to native support for Struct of Arrays in languages 13

Extending SHAPES for SIMD Architectures An approach to nativ...

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13th International Workshop on Implementation, Compilation, Optimization of object-oriented Languages, Programs and Systems

作者： Tasos, Alexandros Franco, Juliana Wrigstad, Tobias Drossopoulou, Sophia Eisenbach, Susan Imperial Coll London London England Microsoft Res Redmond WA USA Uppsala Univ Uppsala Sweden

ISBN: (纸本)9781450358040

SIMD (Single Instruction, Multiple Data) instruction sets are ubiquitous on modern hardware, but rarely used in software projects. A major reason for this is that efficient SIMD code requires data to be laid out in memory in an unconventional manner, forcing developers to explicitly refactor their code and data structures in order to make use of SIMD. In previous work, we proposed SHAPES, an abstract layout specification for enabling memory optimisations for managed, object-oriented languages. In this paper, we explain how, by extending SHAPES with well-known constructs from the literature, which are not specific to SIMD, we can extend SHAPES to compile programs to use SIMD instructions. The resulting language (sketch) seems able to exploit SIMD capabilities without sacrificing ease of development.

关键词： object oriented programming

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