Selasa, 01 September 2009

Bahkan Lebih Lagi dari HTML (XML, XHTML dan Java Script)

(HyperText Markup Language)
Filename extension.html, .htm
Internet media typetext/html
Type codeTEXT
Uniform Type Identifierpublic.html
Developed byWorld Wide Web Consortium & WHATWG
Type of formatMarkup language
Extended fromSGML
Extended toXHTML

ISO/IEC 15445
W3C HTML 4.01

W3C HTML5 (draft)

HyperText Markup Language (HTML) is the predominant markup language for web pages. HTML elements are the basic building-blocks of webpages.

HTML is written in the form of HTML elements consisting of tags, enclosed in angle brackets(like ), within the web page content. HTML tags most commonly come in pairs like


, although some tags, known as empty elements, are unpaired, for example . The first tag in a pair is the start tag, the second tag is the end tag (they are also called opening tags and closing tags). In between these tags web designers can add text, tags, comments, and other types of text-based content.

The purpose of a web browser is to read HTML documents and compose them into visible or audible web pages. The browser does not display the HTML tags, but uses the tags to interpret the content of the page.

HTML elements form the building blocks of all websites. HTML allows images and objects to be embedded and can be used to create interactive forms. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items. It can embed scripts in languages such as JavaScript which affect the behavior of HTML webpages.

Web browsers can also refer to Cascading Style Sheets (CSS) to define the appearance and layout of text and other material. The W3C, maintainer of both the HTML and the CSS standards, encourages the use of CSS over explicitly presentational HTML markup.[1]


2. Wikipedia

Pemrograman dalam Visual Basic. Net


Desain Pemrograman Java

Java is a programming language originally developed by James Gosling at Sun Microsystems(which is now a subsidiary of Oracle Corporation) and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. Java applications are typically compiledto bytecode (class file) that can run on any Java Virtual Machine (JVM) regardless of computer architecture. Java is a general-purpose, concurrent, class-based, object-oriented language that is specifically designed to have as few implementation dependencies as possible. It is intended to let application developers "write once, run anywhere." Java is currently one of the most popular programming languages in use, particularly for client-server web applications.[9][10]

The original and reference implementation Java compilers, virtual machines, and class librarieswere developed by Sun from 1995. As of May 2007, in compliance with the specifications of theJava Community Process, Sun relicensed most of its Java technologies under the GNU General Public License. Others have also developed alternative implementations of these Sun technologies, such as the GNU Compiler for Java, GNU Classpath, and Dalvik.


Java logo.svg
Paradigm(s)Object-oriented,structured, imperative
Appeared in1995
Designed bySun Microsystems (now owned by Oracle Corporation)
DeveloperJames Gosling & Sun Microsystems
Stable releaseJava Standard Edition 7 Update 1(1.7.1) (October 18, 2011; 1 day ago)
Typing disciplineStatic, strong, safe,nominative, manifest
Major implementationsOpenJDK, HotSpot, many others
DialectsGeneric Java, Pizza
Influenced byAda 83, C++,[1] Delphi Object Pascal,[2], Eiffel [3],Generic Java, Mesa,[4]Modula-3,[5] Objective-C,[6] UCSD Pascal,[7][8]Smalltalk
InfluencedAda 2005, BeanShell, C#,Clojure, D, ECMAScript,Groovy, J#, JavaScript,PHP, Python, Scala, Vala
OSCross-platform (multi-platform)
LicenseGNU General Public License / Java Community Process
Usual filename, .class, .jar
WebsiteFor Java Developers
Wikibooks logo Java Programming at Wikibooks

Java Programming/Design Patterns

A design pattern is not a finished design, it is a description of a solution to a common problem. A design pattern can be reused in multiple applications, and that is the main advantage of using it. It can also be seen as a template for how to solve a problem that can occur in many different situations and/or applications. It is not code reuse as it usually does not specify code, but code can be easily created from a design pattern. Object-oriented design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved.

Each design pattern consist of the following part:

To create a design pattern, we need to go through a mini analysis design and may be coding to test out the solution. This section state the requirements the problem we want to solve. This is usually a common problem that will occur in more than one application.
This section state the technological boundaries, that helps and guides the creation of the solution.
This section describes how to write the code to solve the above problem. This is the design part of the design pattern. It may contain class diagrams, sequence diagrams, and or whatever is needed to describe how to code the solution.

A design pattern can be considered as block that can be placed in your design document, and you have to implement the design pattern with your application.

Using design patterns speeds up your design and helps to communicate your design to other team members.