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Java forAndroid. Development. Get the Java skills and know-how that you'll need to learn an WordPress for Web Developers: An Introduction for Web. PDF | Today it is the highly competitive for the development of Web approach developing Java 2 Platform, Enterprise Edition (J2EE) Web. Rapid Java Web Application . These notes are also available in PDF format. 2. Goal facilitate rapid web application development.
Portofino does not need a database to start and to be used as a CMS.
If you have an existing database or more than one , then you can use the wizard and let Portofino create pages automatically. Launch the wizard procedure from the home page.
Connect via JDBC and follow the four steps of the wizard. Figure 2. Connecting to an existing database The wizard will ask you to select the schema and the tables of your database and allows you to select the users and groups tables, if you have them, to be used for authentication and authorization. These pages allow you to search, create, read, update and delete data from the associated table defining a Hibernate query. Fields are searchable, results are paginated, columns are sortable, there are bulk edit and delete, autocomplete fields, fields validation.
All these features are out of the box and do not require writing a single line of code.
Furthermore, you can customize what fields to view, what will be searchable and the sorting. You can also remap field types instead of the default taken from the database e. Productivity increases avoiding any unnecessary wastage of time in the development of common operations. Analyzing foreign keys, Portofino organizes the pages hierarchically. Subordinate records will be positioned under their master record e. Figure 3. An example master-detail CRUD page By default each page shows all the records but you can configure the generated pages and filter the data, you create a view for example with a "where" clause in the query.
You can also create connections to several databases, which allows you to use legacy data sources and new ones at the same time.
Portofino allows virtual relationships between records in different databases. If you are building the database from scratch, Portofino supports Liquibase  for database versioning.
Improving the page content and appearance The wizard is the first tool to use. It creates a working, although not yet complete application. When it finishes you can start working on the generated pages and create new ones html pages, charts, This is a common refinement step.
The pages, created by the wizard, are reorganized and new pages are created. You can create html pages as introductory text, summary or documentation. Pages are organized hierarchically and you can see this structure in the left menu, which offers a navigation from the root page to the leafs. To further simplify navigation, each page shows breadcrumbs. You can create text pages and attach them to the navigation tree. This allows beginners to get started more quickly, and without being overwhelmed.
Newbie users can check values and call methods on objects. They can also pass them as parameters and Java expressions can be invoked without compiling.
The BlueJ project is free and open source software. There is also a site full of teaching resources. It can also run without installation from a USB stick. Most people argue that jEdit beats many expensive development tools for features and ease of use. In particular the jEdit core comes with a built-in macro language.
This is an extensible plugin architecture. Hundreds of macros and plugins are available. There is also an auto indent function, and syntax highlighting for more than languages. It has support for a large number of character encodings including UTF8 and Unicode. Plus folding for selectively hiding regions of text, word wrap, and more. It is released as free software with full source code, provided under the terms of the GPL 2. It is capable of producing static visualizations of source code structure and visualizations of data structures at runtime.
As are UML class diagrams for Java. It has dynamic object viewers and a viewer canvas.
This works in conjunction with an integrated debugger and workbench for Java. The viewers have a built in feature that allows them to identify data structures. This means they can recognize objects that represent traditional data structures. For example stacks, queues, linked lists, binary trees, and hash tables. These can then be displayed appropriately. It can run on any platform that can run a Java Virtual Machine Java version 1.
It is a good option for Java developers and programmers. JSource is useful for creating cross-platform Java applications for various domains. It is extremely lightweight. Open source LGPL license that allows you to develop commercial applications without paying any fees. Moreover, it's pretty easy to add a new language. The more used Java domain-driven framework , downloads. Thousands of threads in the forums. Hundreds of applications developed. Hundreds of professionals in LinkedIn with OpenXava experience.
Free online course in English and Spanish where an invoicing application is developed from scratch. Book in English and Spanish available from Amazon. Hundreds of videos on YouTube.
Quality support Free support in community forums, though they have thousands of threads all questions are answered. Moreover, there is professional support available. Based on Java standards Thus you can migrate your current Java code easily to OpenXava, and vice versa.