Towards a Structured Specification of Coding Conventions
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Analysing Aliasing in Java Applications
IT 20 048 Examensarbete 15 hp Augusti 2020 Analysing Aliasing in Java Applications Björn Berggren Institutionen för informationsteknologi Department of Information Technology Abstract Analysing Aliasing in Java Applications Björn Berggren Teknisk- naturvetenskaplig fakultet UTH-enheten Aliasing refers to the possibility of having multiple references to the same memory location and is a cornerstone concept in the imperative programming paradigm. As Besöksadress: applications grow large, it is hard for programmers to keep track of all places in the Ångströmlaboratoriet Lägerhyddsvägen 1 code where they employ aliasing, possibly resulting in hard-to-predict runtime errors. Hus 4, Plan 0 I present a tool, model and query language to perform dynamic aliasing analysis on Java programs. The tool uses the model to simulate the full execution of a program, Postadress: including how and when objects and references between them are created and Box 536 751 21 Uppsala removed. The query language consists of constructs that can be nested to form logical expressions, operating on the model to check whether a certain object remains in a Telefon: certain condition throughout the execution. The language is designed to monitor 018 – 471 30 03 lifetimes of specific objects and collect information about the execution as a whole. I Telefax: performed an experiment using the tool, examining traces from programs for 018 – 471 30 00 profiling, searching and parsing, showing that applications have different aliasing behaviour. All programs mostly use objects based on built-in Java classes, indicating Hemsida: that programmers could benefit from gaining the ability to control and limit how such http://www.teknat.uu.se/student objects can be aliased. -
Automatic Detection of Bad Smells in Code: an Experimental Assessment
Journal of Object Technology Published by AITO — Association Internationale pour les Technologies Objets, c JOT 2011 Online at http://www.jot.fm. Automatic detection of bad smells in code: An experimental assessment Francesca Arcelli Fontanaa Pietro Braionea Marco Zanonia a. DISCo, University of Milano-Bicocca, Italy Abstract Code smells are structural characteristics of software that may indicate a code or design problem that makes software hard to evolve and maintain, and may trigger refactoring of code. Recent research is active in defining automatic detection tools to help humans in finding smells when code size becomes unmanageable for manual review. Since the definitions of code smells are informal and subjective, assessing how effective code smell detection tools are is both important and hard to achieve. This paper reviews the current panorama of the tools for automatic code smell detection. It defines research questions about the consistency of their responses, their ability to expose the regions of code most affected by structural decay, and the relevance of their responses with respect to future software evolution. It gives answers to them by analyzing the output of four representative code smell detectors applied to six different versions of GanttProject, an open source system written in Java. The results of these experiments cast light on what current code smell detection tools are able to do and what the relevant areas for further improvement are. Keywords code smells; code smell detection tools; refactoring; software quality evaluation. 1 Introduction Nowadays there is an increasing number of software analysis tools available for detecting bad programming practices, highlighting anomalies, and in general increasing the awareness of the software engineer about the structural features of the program under development. -
Preliminary Report on Empirical Study of Repeated Fragments in Internal Documentation
Proceedings of the Federated Conference on Computer Science DOI: 10.15439/2016F524 and Information Systems pp. 1573–1576 ACSIS, Vol. 8. ISSN 2300-5963 Preliminary Report on Empirical Study of Repeated Fragments in Internal Documentation Milan Nosál’, Jaroslav Porubän Department of Computers and Informatics, Faculty of Electrical Engineering and Informatics, Technical University of Košice Letná 9, 042 00, Košice, Slovakia Email: [email protected], [email protected] Abstract—In this paper we present preliminary results of an safe and therefore the programmer has to pay extra caution empirical study, in which we used copy/paste detection (PMD when using it in multithreaded systems (she has to use Event CPD implementation) to search for repeating documentation Dispatch Thread to safely work with the Swing components). fragments. The study was performed on 5 open source projects, including Java 8 SDK sources. The study shows that there are Swing JavaDoc documents it and for each affected class many occurrences of copy-pasting documentation fragments in includes a warning (see JPanel documentation in Figure 1). the internal documentation, e.g., copy-pasted method parameter description. Besides these, many of the copy-pasted fragments express some domain or design concern, e.g., that the method is obsolete and deprecated. Therefore the study indicates that the cross-cutting concerns are present in the internal documentation in form of documentation phrases. I. INTRODUCTION RESERVING and comprehending developer’s concerns P (intents) in the source code is still a current challenge in software development [1], [2], [3], [4]. In this paper we analyze the internal documentation (source code comments, JavaDoc, etc.) to recognize repeating documentation fragments that document those concerns (or features [5]). -
Java Programming Standards & Reference Guide
Java Programming Standards & Reference Guide Version 3.2 Office of Information & Technology Department of Veterans Affairs Java Programming Standards & Reference Guide, Version 3.2 REVISION HISTORY DATE VER. DESCRIPTION AUTHOR CONTRIBUTORS 10-26-15 3.2 Added Logging Sid Everhart JSC Standards , updated Vic Pezzolla checkstyle installation instructions and package name rules. 11-14-14 3.1 Added ground rules for Vic Pezzolla JSC enforcement 9-26-14 3.0 Document is continually Raymond JSC and several being edited for Steele OI&T noteworthy technical accuracy and / PD Subject Matter compliance to JSC Experts (SMEs) standards. 12-1-09 2.0 Document Updated Michael Huneycutt Sr 4-7-05 1.2 Document Updated Sachin Mai L Vo Sharma Lyn D Teague Rajesh Somannair Katherine Stark Niharika Goyal Ron Ruzbacki 3-4-05 1.0 Document Created Sachin Sharma i Java Programming Standards & Reference Guide, Version 3.2 ABSTRACT The VA Java Development Community has been establishing standards, capturing industry best practices, and applying the insight of experienced (and seasoned) VA developers to develop this “Java Programming Standards & Reference Guide”. The Java Standards Committee (JSC) team is encouraging the use of CheckStyle (in the Eclipse IDE environment) to quickly scan Java code, to locate Java programming standard errors, find inconsistencies, and generally help build program conformance. The benefits of writing quality Java code infused with consistent coding and documentation standards is critical to the efforts of the Department of Veterans Affairs (VA). This document stands for the quality, readability, consistency and maintainability of code development and it applies to all VA Java programmers (including contractors). -
Command Line Interface
Command Line Interface Squore 21.0.2 Last updated 2021-08-19 Table of Contents Preface. 1 Foreword. 1 Licence. 1 Warranty . 1 Responsabilities . 2 Contacting Vector Informatik GmbH Product Support. 2 Getting the Latest Version of this Manual . 2 1. Introduction . 3 2. Installing Squore Agent . 4 Prerequisites . 4 Download . 4 Upgrade . 4 Uninstall . 5 3. Using Squore Agent . 6 Command Line Structure . 6 Command Line Reference . 6 Squore Agent Options. 6 Project Build Parameters . 7 Exit Codes. 13 4. Managing Credentials . 14 Saving Credentials . 14 Encrypting Credentials . 15 Migrating Old Credentials Format . 16 5. Advanced Configuration . 17 Defining Server Dependencies . 17 Adding config.xml File . 17 Using Java System Properties. 18 Setting up HTTPS . 18 Appendix A: Repository Connectors . 19 ClearCase . 19 CVS . 19 Folder Path . 20 Folder (use GNATHub). 21 Git. 21 Perforce . 23 PTC Integrity . 25 SVN . 26 Synergy. 28 TFS . 30 Zip Upload . 32 Using Multiple Nodes . 32 Appendix B: Data Providers . 34 AntiC . 34 Automotive Coverage Import . 34 Automotive Tag Import. 35 Axivion. 35 BullseyeCoverage Code Coverage Analyzer. 36 CANoe. 36 Cantata . 38 CheckStyle. .. -
Squore Acceptance Provides a Fast and High Return on Investment by Efficiently
Acceptance SQUORE Squoring Technologies delivers an innovative decision-making dashboard dedicated to managing outsourced software development projects. Acceptance represents a key phase of every software development project, whatever the process: Acquisition or Third Party Application Maintenance. Beyond functional suitability, Acceptance must consider all software product dimensions, from quality characteristics such as Reliability, Maintainability and Performance, to work products like source code, requirements and test cases. TREND As required by the CMMI®, Supplier Management INDICATOR implies an objective and impartial assessment of these components, based on quantified measurement criteria adapted to the context and objectives of each project. Squore Acceptance provides a fast and high return on investment by efficiently: Contractualizing non- Increasing confidence Securing deployment functional, technical between customer and and operation. requirements. supplier. Defining common and Demonstrating compliance Reducing acceptance shared acceptance of deliverables with costs and efforts. criteria. quality requirements. Visit www.squore-acceptance.com Innovative features dedicated to the management of outsourced software projects. “Out-of-the-box” standardized control points, metrics and rules using best industry standards, and still customizable to fit in-house practices. Predefined software product quality models based on international standards: ISO SQuaRE 25010, ISO/IEC 9126, ECSS Quality Handbook, SQUALE . Standardized evaluation process in accordance with ISO/IEC 14598 and ISO/IEC 15939 standards. Squore covers all software product quality characteristics under a standard breakdown Quantified acceptance criteria for every type of deliverable, from requirements to documentation, via source code and test cases. Comprehensive overview of software product compliance through Key Performance Indicators and trend analysis. Unrivaled in-depth analysis where at-risk components are immediately identified, down to the most elementary function or method. -
Devsecops in Reguated Industries Capgemini Template.Indd
DEVSECOPS IN REGULATED INDUSTRIES ACCELERATING SOFTWARE RELIABILITY & COMPLIANCE TABLE OF CONTENTS 03... Executive Summary 04... Introduction 07... Impediments to DevSecOps Adoption 10... Playbook for DevSecOps Adoption 19... Conclusion EXECUTIVE SUMMARY DevOps practices enable rapid product engineering delivery and operations, particularly by agile teams using lean practices. There is an evolution from DevOps to DevSecOps, which is at the intersection of development, operations, and security. Security cannot be added after product development is complete and security testing cannot be done as a once-per-release cycle activity. Shifting security Left implies integration of security at all stages of the Software Development Life Cycle (SDLC). Adoption of DevSecOps practices enables faster, more reliable and more secure software. While DevSecOps emerged from Internet and software companies, it can benefit other industries, including regulated and high security environments. This whitepaper covers how incorporating DevSecOps in regulated Industries can accelerate software delivery, reducing the time from code change to production deployment or release while reducing security risks. This whitepaper defines a playbook for DevSecOps goals, addresses challenges, and discusses evolving workflows in DevSecOps, including cloud, agile, application modernization and digital transformation. Bi-directional requirement traceability, document generation and security tests should be part of the CI/CD pipeline. Regulated industries can securely move away -
Evaluating Dependency Based Package-Level Metrics for Multi-Objective Maintenance Tasks
(IJACSA) International Journal of Advanced Computer Science and Applications, Vol. 8, No. 10, 2017 Evaluating Dependency based Package-level Metrics for Multi-objective Maintenance Tasks Mohsin Shaikh Adil Ansari Kashif Memon Qaid-e-Awam University Qaid-e-Awam University UCET, The Islamia University of Engineering Science of Engineering Science of Bahwalpur and Technology, Nawabshah and Technology, Nawabshah Akhtar Hussain Jalbani Ahmed Ali Qaid-e-Awam University Qaid-e-Awam University of Engineering Science of Engineering Science and Technology, Nawabshah and Technology, Nawabshah Abstract—Role of packages in organization and maintenance determine quality attributes of object oriented source code of software systems has acquired vital importance in recent [3], [4]. Conventionally, software evolution process has been research of software quality. With an advancement in modu- subject to structural and architectural changes in the source larization approaches of object oriented software, packages are code, targeting suitable and organized placement of classes widely considered as re-usable and maintainable entities of object- in particular. However, such re-factoring practices can cause oriented software architectures, specially to avoid complicated de- drift and deterioration in modularization quality of software pendencies and insure software design of well identified services. In this context, recently research study of H. Abdeen on automatic [5]. Consequently, to insure flexible software modularization, optimization of package dependencies -
Pro Netbeans IDE 6 Rich Client Platform Edition.Pdf
CYAN YELLOW MAGENTA BLACK PANTONE 123 C EMPOWERING PRODUCTIVITY FOR THE JAVA™ DEVELOPER THE EXPERT’S VOICE® IN Java™ TECHNOLOGY Companion eBook Available Author of IncIncludesludes newnew Pro NetBeans™ IDE 5.5 ™ NetBeans™ Enterprise Edition Pro NetBeans IDE 6 Pro (J)Ruby/Rails(J)Ruby/Rails IDEIDE Rich Client Platform Edition NetBeans Dear Reader, Today, numerous open source and commercial Java™ Integrated Development Environments (IDEs) are available. It seems that almost every month one of them comes out in a new version, claiming to be the best IDE. Making the decision to Pro migrate to a new IDE can be a big deal for some developers. This is especially true in professional software organizations that have an investment in IDE plugins, code-quality and build tools, and established development processes that can all ™ be affected by changing IDEs. If you or your organization have not yet switched to use NetBeans™ IDE platform, then the recent release of NetBeans IDE 6.0 will make you want to do so. NetBeans IDE 6 NetBeans 6 provides an amazing development environment. The NetBeans 6 Source Editor is arguably one of the most important features of an IDE, since that ™ is where developers spend a great deal of time. Through the newly rewritten core IDE 6 architecture, the NetBeans 6 Source Editor provides extremely intelligent and Rich Client Platform Edition powerful features such as code completion, syntax highlighting, and refactoring. NetBeans 6 has not only an updated code editor, but also many new features, such as Ruby/Rails support, Maven support, JUnit 4 support, and Local History, among others. -
Write Your Own Rules and Enforce Them Continuously
Ultimate Architecture Enforcement Write Your Own Rules and Enforce Them Continuously SATURN May 2017 Paulo Merson Brazilian Federal Court of Accounts Agenda Architecture conformance Custom checks lab Sonarqube Custom checks at TCU Lessons learned 2 Exercise 0 – setup Open www.dontpad.com/saturn17 Follow the steps for “Exercise 0” Pre-requisites for all exercises: • JDK 1.7+ • Java IDE of your choice • maven 3 Consequences of lack of conformance Lower maintainability, mainly because of undesired dependencies • Code becomes brittle, hard to understand and change Possible negative effect • on reliability, portability, performance, interoperability, security, and other qualities • caused by deviation from design decisions that addressed these quality requirements 4 Factors that influence architecture conformance How effective the architecture documentation is Turnover among developers Haste to fix bugs or implement features Size of the system Distributed teams (outsourcing, offshoring) Accountability for violating design constraints 5 How to avoid code and architecture disparity? 1) Communicate the architecture to developers • Create multiple views • Structural diagrams + behavior diagrams • Capture rationale Not the focus of this tutorial 6 How to avoid code and architecture disparity? 2) Automate architecture conformance analysis • Often done with static analysis tools 7 Built-in checks and custom checks Static analysis tools come with many built-in checks • They are useful to spot bugs and improve your overall code quality • But they’re -
Open Source Tools for Measuring the Internal Quality of Java Software Products
Open source tools for measuring the Internal Quality of Java software products. Asurvey P. Tomas, M.J. Escalona , M. Mejias Department of Computer and Systems, ETS Ingenieria Informatica, University of Seville, Av. Reina Mercedes S/N, 41012 Seville,Spain abstract Keywords: Collecting metrics and indicators to assess objectively the different products resulting during the lifecycle Software product of a software project is a research area that encompasses many different aspects, apart from being highly Tools demanded by companies and software development teams. Open source Focusing on software products, one of the most used methods by development teams for measuring Internal Metrics Quality is the static analysis of the source code. This paper works in this line and presents a study of the state- Internal Quality of-the-art open source software tools that automate the collection of these metrics, particularly for Automation fi Static analysis developments in Java. These tools have been compared according to certain criteria de ned in this study. Source code Java Contents 1. Introduction.............................................................. 245 2. Relatedwork............................................................. 246 3. Planningandconductingthereview................................................... 246 3.1. Acharacterizationschema.................................................... 247 3.1.1. Metricsimplemented.................................................. 248 3.1.2. Functionalfeaturescovered.............................................. -
Adhering to Coding Standards and Finding Bugs in Code Automatically
Adhering to Coding Standards and Finding Bugs in Code Automatically Presenters: Muhammad Wasim Hammad Ali Butt Al-khawarzimi Institute of Computer Science Agenda Introduction Software Quality Assurance Code: The base for Quality Code: Writing it Code: Reviewing it How Review tools help? Selecting a Code Review Tools How they compare to each other? Conclusion Al-khawarizimi Institute of Computer Science Introduction Software Quality Quality Attributes • Maintainability • Flexibility • Testability • Portability • Reusability • Interoperability • Correctness • Reliability • Efficiency • Integrity • Usability Code: The Base for Quality Software Quality comes with a lot of benefits Al-khawarizimi Institute of Computer Science SQA and Benefits Development/Technical: Increase Readability Easy to locate problem area Performance Enhancements Compliance between Specs & Code Criteria for software acceptance Management: Better Progress visibility Better decision criteria Reduced Maintenance cost Al-khawarizimi Institute of Computer Science Code: The Base for Quality Better Coding Styles (Structured to OOP) Commenting of Code Coding Conventions Design Patterns Low Coupling High Cohesiveness Resource Management Remove Repetition of Code Al-khawarizimi Institute of Computer Science Code: Writing it Well Managed Code Well Written Code Standardized Code Defensive Coding An ideal programmer won’t leave any bugs for compiler or QA team. Al-khawarizimi Institute of Computer Science Code: Reviewing It Review Meetings Peer Review Benefits: Code Optimization Reduced Cost Programmer Improvement Static Code Analysis is used for Code Review. Al-khawarizimi Institute of Computer Science Code Review on a Typical Project http://smartbear.com/docs/articles/before-code-review.jpg Al-khawarizimi Institute of Computer Science Code Review on a Typical Project http://smartbear.com/docs/articles/after-code-review.jpg Al-khawarizimi Institute of Computer Science Code Review & Issues Human is error prone.