'Low coupling' presentation slideshows

1.32k views • 120 slides

INF523: Computer Systems Assurance Security Requirements Also Structured Design

INF523: Computer Systems Assurance Security Requirements Also Structured Design http://ccss.usc.edu/523. Prof. Clifford Neuman. Lecture 4 20 September 2019 OHE 120. Reading for This week (Software Design).

1.55k views • 104 slides

Case Study of Benefit Application System & GRASP Patterns

Case Study of Benefit Application System & GRASP Patterns. Xiaoshan Li University of Macau. Divide and Conquer Principle. Vertical decomposition (layer architecture) Horizontal decomposition (subsystem) Dynamic and Static views Low coupling and high cohesion. coupling. cohesion.

824 views • 69 slides

Lexical Analysis (2 Lectures)

Lexical Analysis (2 Lectures). Overview. Basic Concepts Regular Expressions Language Lexical analysis by hand Regular Languages Tools NFA DFA Scanning tools Lex / Flex / JFlex / ANTLR. Scanning Perspective. Purpose Transform a stream of symbols Into a stream of tokens.

1.24k views • 61 slides

GRASP: Designing Objects With Responsibilities

GRASP: Designing Objects With Responsibilities. Chapter 16 Applying UML and Patterns -Craig Larman. Designing Objects With Responsibilities.

543 views • 54 slides

Introduction to Programming Structure

Introduction to Programming Structure. Lesson 4. Overview. Guidelines Modules & Functions Cohesion & Coupling Local & Global Variables Parameters Variable Names & Data Dictionaries Three Logic Structures. Guidelines on Program Structure. Use Modules

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Chapter 17

Chapter 17. GRASP: Designing Objects with Responsibilities. Object Design. The purpose of UML drawing is to understand and communicate , not to document. Inputs: use case text, system sequence diagrams, operation contracts, Supplementary Specification, Glossary, Domain Model

627 views • 49 slides

SOEN 343 Software Design

SOEN 343 Software Design. Section H Fall 2006 Dr Greg Butler http://www.cs.concordia.ca/~gregb/home/soen343h-f06.html. Outline. Week 9 lectures: Evaluate Good Design Page Controller and Front Controller Note Command Pattern Web EA Do-It-All TS Re-design GRASP Principles

537 views • 41 slides

Analysis vs. Design Stage

Analysis vs. Design Stage. During requirement analysis stage What is the problem? What can be improved? What does the user wants? What are the services & constraints of the system? During design stage How will the system be designed to meet user requirements?

655 views • 38 slides

Software Engineering Principles

Software Engineering Principles. Outline. Principles form the basis of methods, techniques, methodologies and tools S even important principles that may be used in all phases of software development Modularity is the cornerstone principle supporting software design Case studies.

859 views • 38 slides

Object-Oriented Design Part 2

Object-Oriented Design Part 2. http://flic.kr/p/btp5ZK. Responsibility-Driven Design. Frames object design as deciding How to assign responsibilities to objects How objects should collaborate What role each each object should play in a collaboration. http://flic.kr/p/btp5ZK.

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331 views • 33 slides

Object-Oriented Design Part 1

Object-Oriented Design Part 1. http://flic.kr/p/btp5ZK. What are you going to learn about today?. How to make good object-oriented design decisions. http://flic.kr/p/8JpkTg. Iterative Development Process. We are here. Analysis. Requirements. Design. Initial Planning. Implementation.

325 views • 32 slides

By Rick Mercer with help from Object-Oriented Design Heuristics, Arthur Riel

Relationships amongst Objects. By Rick Mercer with help from Object-Oriented Design Heuristics, Arthur Riel. Outline. Coupling / Cohesion The only possible relationships between objects A few design heuristics Consider role play in current project. Coupling.

393 views • 28 slides

Software Design SEII-Lecture 10

Software Design SEII-Lecture 10. Dr. Muzafar Khan Assistant Professor Department of Computer Science CIIT, Islamabad. Recap. Basic concepts Risk, positive/negative risk management, Risk utility / tolerance (risk averse, risk seeking, risk neutral) Planning risk management

466 views • 25 slides

Chapter 19: Social Factors

Chapter 19: Social Factors. Human Factors EXP 4250 Dr. Steve Presentation by Laura Shaver. Chapter Overview. Types of Systems Groups and Teams and Their Performance Team Training Computer-Supported Cooperative Work Decision Making through Groupware Computer-Supported Team Performance

348 views • 24 slides

COMP 6471 Software Design Methodologies

COMP 6471 Software Design Methodologies. Winter 2006 Dr Greg Butler http://www.cs.concordia.ca/~gregb/home/comp647-w2006.html. The 9 GRASP Principles. Expert Creator Controller Low Coupling High Cohesion Polymorphism Pure Fabrication Indirection Protected Variations.

363 views • 24 slides

Software Engineering

Software Engineering. Design (Concepts and Principles) James Gain ( jgain@cs.uct.ac.za ) http://people.cs.uct.ac.za/~jgain/courses/SoftEng/. Objectives. Outline the concepts and principles underpinning design Abstraction and Refinement Modularity Cohesion and Coupling

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Lessons learned from machine studies on existing rings

Lessons learned from machine studies on existing rings. Laurent S. Nadolski Accelerator Group Synchrotron SOLEIL. Contents. What performance have been reached in modern light sources? What are the main showstoppers and possible improvements?. Linear optics restoration

362 views • 22 slides

Design Patterns- Low Coupling And High Cohesion

Design Patterns- Low Coupling And High Cohesion. By: Eliezer Jacob And Idan Cohen. Introduction. In computer science coupling or dependency is the degree to which each program module relies on each one of the other modules.

810 views • 15 slides