HTML 2020/21 COMP3322 Modern Technologies on WWW Contents • History of HTML • HTML Syntax and Structure of HTML • Quick Tour of Common HTML structural Elements • HTML Validation • HTML5 Semantic Elements 2 • • HTML HTML is a type of markup languages. A markup language is simply a way of annotating a […]
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Chapter 5. ArrayList and Wrapper Classes 2020-2021 COMP2396 Object-Oriented Programming and Java Dr. T.W. Chim (E-mail: twchim@cs.hku.hk) Department of Computer Science, The University of Hong Kong 1 Arrays — InJava,arraysareobjectsandtheyliveontheheap — Unlikemanyotherobjects,arraysinJava — Donothaveanymethod(saveforthoseinheritedfromthe Object class) — Haveoneandonlyoneinstancevariable(i.e.,length) — Usespecialarraysyntax(i.e.,thesubscriptoperator[]) that is not used anywhere else in Java — Limitations — Thesizeofanarraymustbedeterminedatthetimeof creation, and cannot
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Chapter 8. The Ultimate Superclass: Object 2020-2021 COMP2396 Object-Oriented Programming and Java Dr. T.W. Chim (E-mail: twchim@cs.hku.hk) Department of Computer Science, The University of Hong Kong 1 Polymorphism in Action — OceanwasaskedtobuildasimpleDog-specificlist (pretending that we do not have the ArrayList class for the moment) — Hecameupwiththefollowingdesign — Usearegulararraywithafixedlengthto — Useanint valuetostoretheindexofthe next available position in
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Chapter 1. Introduction 2020-2021 COMP2396 Object-Oriented Programming and Java Dr. T.W. Chim (E-mail: twchim@cs.hku.hk) Department of Computer Science, The University of Hong Kong 1 Procedural Programming — Emphasisisontaskstobedone — Breakdownaproblemintoanumberoftasksand sub-tasks (top-down design approach) — Implementtasksandsub-tasksasfunctions — Afunctionissimplyagroupofinstructionsthatare executed when the function is being called — Aprogramiscomposedofacollectionoffunctions that operate on some (shared) data 2 Procedural
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JavaScript 2020/21 COMP3322 Modern Technologies on WWW Contents • JavaScript and its history • Adding JavaScript • The JavaScript language • The Document Object Model (DOM) • Events • Form Validation 2 Client-Side Scripting • Let the client compute 3 JavaScript isn’t related to Java • Although it contains the word Java, JavaScript and Java
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COMP3322 MODERN TECHNOLOGIES ON WORLD WIDE WEB Workshop 3: PHP, JavaScript and AJAX Overview In this workshop, we will develop a simple web-based course attendance system, with which we can maintain an attendance list. As shown in Fig. 1, each attendance entry includes the attendance status (PRESENT or ABSENT), student name, student major, course code,
Chapter 2. Class and Object 2020-2021 COMP2396 Object-Oriented Programming and Java Dr. T.W. Chim (E-mail: twchim@cs.hku.hk) Department of Computer Science, The University of Hong Kong 1 A Motivating Example —Paul, the procedural programming guy, and Ocean, the OO guy, were told to develop a software based on the following specification the spec There will be
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CSS 2020/21 COMP3322 Modern Technologies on WWW Contents • About CSS • CSS Syntax • The concept of Cascade • The box model • More controls for developers • CSS Layout • Responsive web design 2 About CSS What is CSS? • Cascading Style Sheet • CSS is a W3C standard for describing the presentation
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Intro to PHP & MySQL 2020/21 COMP3322 Modern Technologies on WWW Contents • Server-side Technologies • A quick tour of PHP • Common server-side scripting scenarios • Intro to MySQL • Session & Cookie 2 Server-side Scripting • “Server-side scripting is a technique used in web development which involves employing scripts on a web server
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Chapter 4. State and Behavior of an Object 2019-2020 COMP2396 Object-Oriented Programming and Java Dr. T.W. Chim (E-mail: twchim@cs.hku.hk) Department of Computer Science, The University of Hong Kong 1 Instances of the Same Class —Recall that a class is a blueprint for an object, it describes what an object knows and does —Instances of the
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