The Joomla! content management system lets you create webpages of various types using extensions. There are 5 basic types of extensions: components, modules, templates, languages, and plugins. Your website includes the extensions you need to create a basic website in English, but thousands of additional extensions of all types are available. The Joomla! Extensions Directory is the largest directory of Joomla extensions.

Media ImageModules are small blocks of content that can be displayed in positions on a web page. The menus on this site are displayed in modules. The core of Joomla! includes 24 separate modules ranging from login to search to random images. Each module has a name that starts mod_ but when it displays it has a title. In the descriptions in this section, the titles are the same as the names.

Content modules display article and other information from the content component.

These modules display information from components other than content and user. These include weblinks, news feeds and the media manager.

Utility modules provide useful functionality such as search, syndication and statistics.

Navigation modules help your visitors move through your site and find what they need.

Menus provide your site with structure and help your visitors navigate your site.  Although they are all based on the same menu module, the variety of ways menus are used in the sample data show how flexible this module is.

A menu can range from extremely simple (for example the top menu or the menu for the Australian Parks sample site) to extremely complex (for example the About Joomla! menu with its many levels). They can also be used for other types of presentation such as the site map linked from the "This Site" menu.

Breadcrumbs provide users with information about where they are in a site.

Media ImageTemplates give your site its look and feel. They determine layout, colours, typefaces, graphics and other aspects of design that make your site unique. Your installation of Joomla comes prepackaged with three front end templates and two backend templates. Help

Plugin ImagePlugins are small task oriented extensions that enhance the Joomla! framework. Some are associated with particular extensions and others, such as editors, are used across all of Joomla. Most beginning users do not need to change any of the plugins that install with Joomla. Help

These are my photos from parks I have visited (I didn't take them, they are all from Wikimedia Commons).

This shows you how to make a simple image gallery using articles in com_content.

In each article put a thumbnail image before a "readmore" and the full size image after it. Set the article to Show Intro Text: Hide.

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Enthuware Test Studio is a platform independent integrated environment that allows you to prepare for certification exams. Using ETS, you can access an ETS Question Bank, which includes Mock Questions, Exam Tips, Reference URLs, Notes, and Study Material.

While we provide ETS Question Banks for several certification exams, other independent vendors may also provide ETS Question Banks tailored for any specific certification exam.

If you have downloaded an ETS (pronounced as E T S) file, you only need ETS Viewer to access the contents of the file. If you want to develop a mock exam, you need ETS Editor to create a .ets file.

ETS Viewer and ETS Editor are both Java applications and require JDK 1.6 or higher.

ETS Viewer

ETS Editor

 

Links to resources including books, mock exams, study guides, tutorials and articles for various Java Certification Exams.
Helpful resources for OCA/OCP OCAJP/OCPJP exams (1Z0-808, 1Z0-809, 1Z0-815, 1Z0-816, 1Z0-816). Recommended Books and onlines article for OCA OCP Java Certification exam. Preparation strategy for passing the Java Certification Exam.
Sample project implementation for OCM Java Developer exams (OCMJD/SCJD).
Helpful resources for OCE EJB Developer, Java Persistence API Developer exams (1Z0-895, 1Z0-898).
Points/Notes to self on Dart/Flutter programming. Things in Dart/Flutter that trip Java programmers.
Frequently asked questions about various Java Certification Exams.
Frequenty Asked Questions (FAQ) about various Java Certification Exams. If you are not sure what all certifications are available or don't know where to start, check out the following articles.
Frequenty Asked Questions (FAQ) about various OCA OCP Java Certification Exams.
OCP Java Exam FAQ If you are a beginner, there are multiple options to become a certified Java programmer. Check out the following articles to know which Java certification is right for you and ways to prepare for it. OCAJP Certification FAQ.

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