HARTMANN software group

Ajax for Java Developers Training in San Antonio

Enroll in or hire us to teach our Ajax for Java Developers class in San Antonio, Texas by calling us @303.377.6176. Like all HSG classes, Ajax for Java Developers may be offered either onsite or via instructor led virtual training. Consider looking at our public training schedule to see if it is scheduled: Public Training Classes
Provided there are enough attendees, Ajax for Java Developers may be taught at one of our local training facilities.
We offer private customized training for groups of 3 or more attendees.
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Course Description

  
This is a 4-day course that covers the emerging Ajax technology, with a focus on developing Ajax applications using Java on the server side. The course starts with a fairly comprehensive coverage of basic JavaScript. The coverage includes some of the techniques for creating modules and doing Object-Oriented style programming in JavaScript, because Ajax uses JavaScript so heavily, and it's important that developers have some idea of how to write good JavaScript. This is not a thorough coverage of JavaScript - that is beyond the scope of the course. Students have enough so that they can write Ajax programs using JavaScript, and have some good foundations for doing it well. The course moves on to basic server side techniques for handling Ajax requests. Starting with a simple servlet, and then moving on to a Servlet/JSP combination. Then we go back to the client side to cover some of the major libraries that are in use today. Several libraries are represented, but your favorite may not be there due to time constraints. Detailed coverage of Dojo is not included because it's only just recently stabilized. The course then moves on to more advanced techniques using JSON, XML, Direct Web Remoting, and JSF to create Ajax based Web applications. This takes the student to the next level in writing Ajax applications. Finally some general design and security issues are covered.
Course Length: 4 Days
Course Tuition: $1690 (US)

Prerequisites
Basic knowledge of HTML and JavaScript and practical Java and Servlet/JSP programming experience.

Course Outline

  
Overview of Ajax
What are Rich Internet Applications?
What is Ajax?
Ajax, JavaScript, and DHTML
How Ajax Works
Overview of Ajax Technologies
 
Basics of JavaScript for Browsers
JavaScript and DHTML Overview
Using JavaScript in an HTML Page
Basic JavaScript Programming
Functions in JavaScript     
Debugging JavaScript
Accessing HTML Elements and Modifying with innerHTML
 
XMLHttpRequest
The XMLHttpRequest Object
Using XMLHttpRequest
Working with Browser Differences
Your First Ajax Application
Using Ajax Data to Modify the Page
 
Using Servlets and JSP with Ajax
Servlet/JSP Overview
Handling Ajax Requests
Returning Data to Ajax Requests
Using JSP pages to generate Ajax data
 
More JavaScript for Ajax
Browser Events
Using Ajax with Browser Events
Using Built-in Objects
Objects and Arrays in JavaScript
Objects as Function Arguments
Defining Classes in JavaScript
Defining Modules and Namespaces in JavaScript
 
Client-Side Ajax Frameworks
Overview - Prototype, Dojo, script.aculo.us and others
Prototype Overview
Using Prototype ($(), Ajax.Request)
script.aculo.us Overview
Using script.aculo.us Ajax autocompleter
Servlet/JSP (server-side) Generation of Data
Dojo Toolkit Overview
YUI (Yahoo User Interface Toolkit) Overview
Google Maps and Google Ajax Search API Overview
 
Cascading Style Sheets (CSS)
CSS Overview
Defining and Using Styles and Style Sheets
Using CSS to Customize Ajax Data Display
Session 8: JavaScript Object Notation (JSON)
JSON Overview
JSON Data Structure
Objects and Arrays in JSON
Creating/Working with JSON on the Server using Java
Working with JSON in the browser
Other JSON Tools Overview
 
XML and Ajax
XML Overview
XML - The x in Ajax
Working with XML on the browser
Generating XML data on the server with Java
Using HTML vs Using XML vs Using JSON
 
Direct Web Remoting (DWR
Overview - Invoking Java via Ajax
DWR Architecture
Invoking Java Functions From the Browser
Registering Callbacks
Additional Capabilities
Overview of other technologies (JSON-RPC, Google Web Toolkit - GWT)
 
Ajax and JavaServer Faces (JSF)
JSF Overview
JSF and Ajax
Demo Lab: Using Ajax with JSF
 
Patterns and Best Practices
JavaScript Best Practices
State of Ajax
Ajax Design Patterns
Ajax Security Issues
Other Ajax Issues
Recap of Ajax Technologies and Their Uses
Future Directions

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Java Programming Uses & Stats

Java Programming is Used For:
Android & IOS Development Software Products Video Games Desktop GUI's
Difficulty
Popularity
Year Created
1995
Pros

Most Commonly Used: 
According to Oracle, three billion devices run on Java.  And, because of its real-world applications, it consistently ranks at the top of the TIOBE Programming Community Index. 

Great Career Choice: 
Some of the fastest-growing salaries in the U.S. in 2018 are for Java developers.  (Glassdoor)  

Android Apps Development:
Developers predominatly use their Java skills in building apps for Google's Android. The Android platform is the number one mobile paltform in the world

It Can Run On Any Platform:
Java can compile on Windows and run the same compiled file on Linux, Windows and Mac.

Great Supporting IDE's:
Over the years, coding in Java has become simpler with the introduction of open source development tools, i.e. Eclipse and NetBeans that use Java capabilities for debugging.  
 
Cons

Uses a Lot of Memory:
Performance can be significantly slower with Java and more memory-consuming than natively compiled languages such as C or C++.

Difficulty in Learning: 
Learning Java can be a bit challenging if you are a beginner.  However, once you get the hang of Object Oriented Programming and a decent grasp of the syntax, you will be well on your way.

Slow Start Up Times:
There is quite a bit of one-time initialization done by JDK classes before compiling as well as loading classes and verification (making sure code doesn't do evil things, all of which takes longer that some other languages such as C. 

Verbose and Complex Code:
Long, over-complicated sentences make code less readable and scannable. Compare to let's say Python, we can see how clear Python code appears: It doesn’t require semicolons; uses “and,” “or,” and “not” as operators instead of Java’s “&&,” “||,” and “!”; and generally has fewer bells and whistles such as parentheses or curly braces.

Commercial License Cost:
Companies have to prepare for the changes that Oracle will institute in 2019 . Today, the current version of Java is free and available for redistribution for general purpose computing. However, If you are a DEVELOPER, Oracle recommends you review the roadmap information for Java SE 8 and beyond and take appropriate action depending on the type of application you develop and your distribution mode.
Java Programming Job Market
Average Salary
$102,000
Job Count
26,856
Top Job Locations

New York City 
San Jose
Washington D.C, 
Complimentary Skills to have along with Java Programming

- If you are an experienced Java developer, learning a complimentary language to Java should come much more naturally.  As an example JetBrains recently created the Kotlin programming language which is officially supported by Google for mobile development.  Kotlin compiles to Java bytecode and runs on the JVM; it's purported to address many of Java's shortcomings...

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