PPT-Iterator Design Pattern

Jim Fawcett CSE776 Design Patterns Fall 2014 Intent Provide a way to access elements of an aggregate object without exposing its underlying representation Traverse many different data structures in a uniform way. Dr. Douglas C. Schmidt. . d.schmidt@vanderbilt.edu. www.dre.vanderbilt.edu. /~. schmidt. . Professor of EECS Vanderbilt University Nashville, Tennessee. Goals of this Presentation. Show . by example . PATTERN DEVELOPMENT. Key Concepts and Terms. Apparel Design Technical Pack (Tech Pack). Block Pattern. CAD-Computer Aided Design. Costing. Design Details. Design Samples . Drafting a Pattern . Flat Pattern. Based on materials from Doug Schmidt. 1. Object-oriented design. OOD methods emphasize design notations. Fine for specification, . documentation. But OOD is more than just drawing diagrams. Good . draftsmen, . Lecture 25: Iterators. Recap of Lecture 24. Introduction to STL. STL Components. Allocators. Vectors. Outline of Lecture 25. STL. . Iterators. . Iterator hierarchy. . Lists. Plug compatible. Major categories of STL. Design Patterns. CSC 335: Object-Oriented . Programming and Design. Outline. Overview of Design Patterns. Two Design Patterns. Iterator, one you have used. Strategy, from Heads First Chapter 1. The Beginning of Patterns. Chapter 5 (. Horstmann’s. Book). Patterns and GUI . Programming. Modified from slides by Dr. . Hwajung. Lee.. Pattern. A . pattern. is a description of . a problem and its solution. that you can apply to many. PATTERN DEVELOPMENT. Key Concepts and Terms. Apparel Design Technical Pack (Tech Pack). Block Pattern. CAD-Computer Aided Design. Costing. Design Details. Design Samples . Drafting a Pattern . Flat Pattern. Based on materials from Doug Schmidt. Object-oriented design. OOD methods emphasize design notations. Fine for specification, . documentation. But OOD is more than just drawing diagrams. Good . draftsmen, . A closer look at . INotifyPropertyChanged. , . INotifyPropertyChanging. and ObservableCollection. Observer design pattern. 1. The observable design pattern. Observable. An object that sends notifications to observers when something has happened to the object.. Design Patterns II. Using UML, Patterns, and Java. Object-Oriented Software Engineering. Recall: Why reusable Designs?. A design…. …enables flexibility to change (reusability). …minimizes the introduction of new problems when fixing old ones (maintainability). , Aggregation, . . . and Delegation. Part 2: Iterator. COMP 401 Fall 2014. Lecture 10. 9. /18/2014. Layers of Abstraction. Simple objects. Object state (i.e., fields) are basic data types. As objects become more complex…. C# . Design Patterns. In software engineering, a . design pattern. is a general reusable solution to a commonly occurring problem in software design. . A . design pattern is not a finished design that can be transformed directly into code. . PATTERN DEVELOPMENT. Key Concepts and Terms. Apparel Design Technical Pack (Tech Pack). Block Pattern. CAD-Computer Aided Design. Costing. Design Details. Design Samples . Drafting a Pattern . Flat Pattern. techniques. Prepared by,. . . Mrs. Sonia . Khanna. . Associate Professor,. Home science Department,. Guru Nanak Girls P.G . College,. . Kanpur (U.P).