User interface components

Tham khảo bài thuyết trình 'lecture 4: interface design', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

19p huanltgc00061 05-05-2013 62 3   Download

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

20p huanltgc00061 05-05-2013 41 2   Download

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...

20p huanltgc00061 05-05-2013 51 4   Download

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

15p huanltgc00061 05-05-2013 51 4   Download

To Make an Interactive GUI Program To make an interactive GUI program, you need: Components buttons, windows, menus, etc. Events mouse clicked, window closed, button clicked, etc. Event listeners (interfaces) and event handlers (methods) listen for events to be trigged, and then perform actions to handle them

13p huanltgc00061 05-05-2013 53 5   Download

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

19p huanltgc00061 05-05-2013 55 2   Download

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

19p huanltgc00061 05-05-2013 61 5   Download

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,

20p huanltgc00061 05-05-2013 49 4   Download

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...

14p huanltgc00061 05-05-2013 72 3   Download

THIẾT KẾ GIAO DIỆN NGƯỜI DÙNG NỘI DUNG l Giới thiệu thư viện awt l Các khái niệm cơ bản l Thiết kế giao diện l Xử lý sự kiện MỤC TIÊU l Chương này cung cấp cho sinh viên những kiến thức cơ bản để xây dựng giao diện (Graphic User Interface - GUI) của chương trình ứng dụng bằng ngôn ngữ java, bao gồm: – Những nguyên tắc thiết kế giao diện. – Những thư viện, gói xây dựng giao diện: gồmnhững lớp (class), những giao tiếp (interface) quản lý sự kiện và những thành phần (components) xây dựng giao diện người dùng. – Bộ quản lý trình bày (layout managers) – Xửlý sự kiện...

11p huyenthoai273 20-03-2013 120 16   Download