Designing the user interface

Lecture "Chapter 14: Designing the user interface" provides students with the knowledge: Identifying and classifying inputs and outputs, traditional and OO approaches to inputs and outputs, user versus system interface, aspects of the user interface, user centered design, metaphors for human computer interaction,... Invite you to consult.

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The unit in procedural programming is function, and unit in object-oriented programming is class Procedural programming concentrates on creating functions, while object-oriented programming starts from isolating the classes, and then look for the methods inside them. Procedural programming separates the data of the program from the operations that manipulate the data, while object-oriented programming focus on both of them

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The Java standard APIs are shown in HTML output at http://java.sun.com/j2se/1.4.2/docs/api/index.html. It’s generated from the documentation comments (doc comments). Documentation comments are special comments in the source code that are delimited by the /** ... */ delimiters. The JDK contains a tool named javadoc to generate HTML documentation from documentation comments in your source file. The javadoc utility extracts information for the following items Public classes and interfaces Public and protected methods Public and protected fields Packages...

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Manipulating URLs URL is an acronym for Uniform Resource Locator and is a reference (an address) to a resource on the Internet. Sample structure of a URL. The resource name part may contain: host name, file

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A collection is a data structure – actually, an object – to hold other objects, which let you store and organize objects in useful ways for efficient access Check out the java.util package! Lots of interfaces and classes providing a general collection framework. Programmers may also provide implementations specific to their own requirements

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An interface is a way to describe what classes should do, without specifying how they should do it. It’s not a class but a set of requirements for classes that want to conform to the interface E.g. public interface Comparable { int compareTo(Object otherObject); } this requires that any class implementing the Comparable interface contains a compareTo method, and this method must take an Object parameter and return an integer

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Procedural vs. Object-Oriented Programming The unit in procedural programming is function, and unit in object-oriented programming is class Procedural programming concentrates on creating functions, while object-oriented programming starts from isolating the classes, and then look for the methods inside them. Procedural programming separates the data of the program from the operations that manipulate the data,

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Developed by Sun Microsystems (James Gosling) A general-purpose object-oriented language Based on C/C++ Designed for easy Web/Internet applications Widespread acceptance Simple fixes some clumsy features of C++ no pointers automatic garbage collection rich pre-defined class library Object oriented focus on the data (objects) and methods manipulating the data all functions are associated with objects almost all data types are objects (files, strings, etc.) potentially better code organization and reuse...

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Photoshop’s interface can be a confusing place to first time users. This lesson will show you what’s what, and how to navigate through the behemoth which is Photoshop. Before starting, please take note that I will be demonstrating how to use Adobe Photoshop with Version 9 (Adobe Photoshop CS2). If you are using another version of Photoshop, you should have very little trouble following along, as very little as changed in regards to interface and basic functionality in the past few versions.

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Once the SRS has been approved, implementation begins. Programming teams have many options: The programmers can simply start building the code and create the objects and user interface elements. Designers can build a user interface prototype to demonstrate to the users, stakeholders and the rest of the team. Any code used to develop the prototype is typically thrown away once the design has been finalized. Pictures, flow charts, data flow diagrams, database design diagrams and other visual tools can be used to determine aspects of the design and architecture.

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