SharePoint online training offered by Quontra Solutions with special features having Extensive Training will be in both SharePoint Online Training and Placement. We help you in resume preparation and conducting Mock Interviews.
Emphasis is given on important topics that were required and mostly used in real time projects. Quontra Solutions is an Online Training Leader when it comes to high-end effective and efficient IT Training. We have always been and still are focusing on the key aspect which is providing utmost effective and competent training to both students and professionals who are eager to enrich their technical skills.
SharePoint online training offered by Quontra Solutions with special features having Extensive Training will be in both SharePoint Online Training and Placement. We help you in resume preparation and conducting Mock Interviews.
Emphasis is given on important topics that were required and mostly used in real time projects. Quontra Solutions is an Online Training Leader when it comes to high-end effective and efficient IT Training. We have always been and still are focusing on the key aspect which is providing utmost effective and competent training to both students and professionals who are eager to enrich their technical skills.
The easy way to develop Java applications has always been the standard stack (Spring, JEE, SQL) that confirms the LAMP equivalent in Java-speak. This presentation compares this model with a real use case based on Guice, Jersey and AppEngine.
This presentation gives a high level concepts and more of code to take a stab at developing a simple Restful server. I targeted people who would like to build a simple RESTFul server from scratch and experiment.
Front End Development for Back End Developers - UberConf 2017Matt Raible
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The Web and Spring MVC continue to be one of the most active areas of the
Spring Framework with each new release adding plenty of features and refinements
requested by the community. Furthermore version 4 added a significant choice
for web applications to build WebSocket-style architectures.
This talk provides an overview of the areas in which the framework has evolved
along with highlights of specific noteworthy features from the most recent
releases.
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The easy way to develop Java applications has always been the standard stack (Spring, JEE, SQL) that confirms the LAMP equivalent in Java-speak. This presentation compares this model with a real use case based on Guice, Jersey and AppEngine.
This presentation gives a high level concepts and more of code to take a stab at developing a simple Restful server. I targeted people who would like to build a simple RESTFul server from scratch and experiment.
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Are you a backend developer that’s being pushed into front end development? Are you frustrated with all JavaScript frameworks and build tools you have to learn to be a good UI developer? If so, this session is for you! We’ll explore the tools of the trade for frontend development (npm, yarn, Gulp, Webpack, Yeoman) and learn the basics of HTML, CSS, and JavaScript.
This presentation dives into the intricacies of Bootstrap, Material Design, ES6, and TypeScript. Finally, after getting you up to speed with all this new tech, I'll show how it can all be found and integrated through the fine and dandy JHipster project.
The Web and Spring MVC continue to be one of the most active areas of the
Spring Framework with each new release adding plenty of features and refinements
requested by the community. Furthermore version 4 added a significant choice
for web applications to build WebSocket-style architectures.
This talk provides an overview of the areas in which the framework has evolved
along with highlights of specific noteworthy features from the most recent
releases.
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The web has changed! Users spend more time on mobile than on desktops and they expect to have an amazing user experience on both platforms. APIs are the heart of the new web as the central point of access data, encapsulating logic and providing the same data and same features for desktops and mobiles.
In this talk, I will show you how in only 45 minutes we can create full REST API, with documentation and admin application build with React.
JDD 2016 - Jakub Kubrynski - Jpa - beyond copy-pastePROIDEA
JPA is the main building block in most Java projects. However, a lot of developers still use it without a deep understanding of the technology, relying mainly on applying the copy-paste methodology from StackOverflow or existing system entities. During this presentation, I will consolidate knowledge about object-relational mapping. We'll see how lazy loading works under the hood and understand the difference between a set, list or bag. We will also talk about common traps leading to significant decreases in performance or improper behaviour of the system.
Listen to the keynote address and hear about the latest developments from Rachana Ananthakrishnan and Ian Foster who review the updates to the Globus Platform and Service, and the relevance of Globus to the scientific community as an automation platform to accelerate scientific discovery.
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SOCRadar Research Team: Latest Activities of IntelBrokerSOCRadar
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However, this is neither the first nor the last activity of IntekBroker. We have compiled for you what happened in the last few days. To track such hacker activities on dark web sources like hacker forums, private Telegram channels, and other hidden platforms where cyber threats often originate, you can check SOCRadar’s Dark Web News.
Stay Informed on Threat Actors’ Activity on the Dark Web with SOCRadar!
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Field Employee Tracking System| MiTrack App| Best Employee Tracking Solution|...informapgpstrackings
Keep tabs on your field staff effortlessly with Informap Technology Centre LLC. Real-time tracking, task assignment, and smart features for efficient management. Request a live demo today!
For more details, visit us : https://informapuae.com/field-staff-tracking/
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3. Table of Contents
1. Where's main method of Jakarta EE application?
2. Jakarta REST
3. Jakarta CDI
4. MicroProfile Config (See Example)
Examples: https://github.com/khasunuma/jee-first-parts
HASUNUMA Kenji @khasunuma
11. Dependency of Jakarta EE Platform
HASUNUMA Kenji @khasunuma
<dependency>
<groupId>jakarta.platform</groupId>
<artifactId>jakarta.jakartaee-api</artifactId>
<version>8.0.0</version>
<scope>provided</scope>
</dependency>
13. What’s Jakarta REST
Jakarta REST (Jakarta RESTful Web Services) is a technology to
handle each HTTP requests:
• Easy to use
• Intuitive, Flexible and Expandable
• In most cases, better alternative of Servlets
HASUNUMA Kenji @khasunuma
14. What’s REST
• Primitive idea for Web Applications
• See in detail: Fielding, T., “Architectural Styles and Design of Network-
based Software Architectures”, 2000
The 3 elements of REST:
• Resource – What (HTML, XML, JSON, Image, etc.)
• URL – Where
• Method – How (GET, POST, PUT, DELETE, etc.)
HASUNUMA Kenji @khasunuma
15. URL syntax – in case of Jakarta EE
HASUNUMA Kenji @khasunuma
http://hostname:8080/context-root/path?query
Protocol
“http” / “https”
Port Number
(Omissible)
The path element
to identify
which application
Parameters
(Omissible)
16. How to send and receive HTTP GET
HASUNUMA Kenji @khasunuma
17. How to send and receive HTTP POST
HASUNUMA Kenji @khasunuma
18. Register Jakarta REST
HASUNUMA Kenji @khasunuma
@ApplicationPath(“app”)
public class MyApplication extends Application {
}
19. Resource Class
HASUNUMA Kenji @khasunuma
@Path(“some”)
public class SomeResource {
@GET
@Consumes(“application/x-www-form-urlencoded”)
@Produces(“text/html”)
public String handle(@QueryParam(“id”) String id) {
… // Create a response
}
}
<< URL: “/context-root/app/some” >>
<< Request >>
<< Response >>
<< Mapping >>
<< Mapping >>
<< Method >>
20. Handle GET method
HASUNUMA Kenji @khasunuma
@GET
@Consumes(“application/x-www-form-urlencoded”)
@Produces(“text/html”)
public String handle(@QueryParam(“id”) String id) {
// 1. Query Parameter (“id”) -> Argument (“id”) [0..N]
// 2. Create a response
// 3. Return value (String) -> Response (HTML)
...
}
21. Handle POST method
HASUNUMA Kenji @khasunuma
@POST
@Consumes(“application/x-www-form-urlencoded”)
@Produces(“text/html”)
public String handle(@FormParam(“data”) String data) {
// 1. Form Parameter (“data”) -> Argument (“data”) [1..N]
// 2. Create a response
// 3. Return value (String) -> Response (HTML)
...
}
22. Basic Error Handling
Throw the following exception if an error is occurred:
• WebApplicationException – specified HTTP Status
• NotFoundException (HTTP 404)
• InternalServerErrorException (HTTP 500)
• etc.
No exception, then respond successfully (HTTP 200)
HASUNUMA Kenji @khasunuma
23. Other Jakarta REST Features
• XML / JSON Binding Integration – for Web Services
• HTTP Client API
• Server Sent Events
• Use ServletContext – for low-level access
• Extensions of each implementation (Not standard)
HASUNUMA Kenji @khasunuma
24. Jakarta CDI
How to divide a complex thing to simple parts
HASUNUMA Kenji @khasunuma
25. What’s Jakarta CDI
Jakarta CDI is a technology that couples each components:
• View / User Interface
• Compute / Business Logic
• External Interface (e.g. Database, Messaging)
• Structure Value (e.g. Session Object)
etc.
HASUNUMA Kenji @khasunuma
26. Benefits of Jakarta CDI
• Split components as suitable size
• Choose “Alternative” (additional configuration is required)
• e.g. stub for test environment
• Combine components with different lifecycles (“Scope”)
• @RequestScoped – created for each request
• @SessionScoped – created and kept between a HTTP session
• @ApplicationScoped – created and kept until end of the application
• Call implicitly pre-processes and post-processes (“Interceptor”)
• e.g. @Transactional – begin and commit/rollback transaction
HASUNUMA Kenji @khasunuma
27. Dependency Injection by CDI
HASUNUMA Kenji @khasunuma
@Named // Qualifier
@RequestScoped // Scope
public class CdiBean1 {
@Inject // Injection Point
private CdiBean2 bean2;
public void compute() {
bean2.execute();
}
}
@Named // Qualifier
@RequestScoped // Scope
public class CdiBean2 {
public void execute() {
...
}
}
Inject an instance
CDI Bean
CDI Bean
28. Integration REST with CDI
HASUNUMA Kenji @khasunuma
@Path(“some”)
@RequestScoped // Scope
public class SomeResource {
@Inject // Injection Point
private Bean bean;
@get
@Produces(“text/html”)
public String handle() {
return bean.execute();
}
}
@Named // Qualifier
@RequestScoped // Scope
public class Bean {
public String execute() {
...
}
}
Inject an instance
CDI Bean
Resource / CDI Bean
29. Next Steps
• Jakarta EE provides various APIs for your applications:
• Jakarta Persistence – Database Access
• Jakarta Messaging – Message Queue Access
• Jakarta Mail – Connection to Mail Servers
• Jakarta Server Faces – Framework for creating Rich UI
• Jakarta Security – Security Features
• How to learn Jakarta EE APIs?
• Each application only uses some part of Jakarta EE
• You may learn when it is needed for you
HASUNUMA Kenji
30. We’ll Support You With:
Let us help you spread the word about our open source software. Join the Reef!
• Event, JUG, conference sponsorship
• Freebies, swag, handouts, speakers
• Promotion and advertising of events and articles
• Community forum
Learn More:
www.payara.fish/reef
Payara Reef: Community Growth Program
31. Download the open source software:
https://payara.fish/downloads
Need support for the Payara Platform?
https://payara.fish/support