This document discusses J2EE (Java 2 Platform, Enterprise Edition), which is a Java platform for developing and running large-scale, multi-tiered, scalable, reliable, and secure network applications. It provides an architecture that simplifies development and maintenance of enterprise applications. Some key points made are:
- J2EE aims to reduce server downtime, increase scalability, provide application stability, security and simplicity.
- It allows "develop once, deploy anywhere" capability and supports n-tier architectures and component-based development.
- J2EE applications are best suited for tasks like providing access to corporate databases, building dynamic web apps, automating communications, and implementing complex business logic.
Software application architecture is an interesting and broadly discussed topic. In this presentation, I am discussing N-Tier application architecture. Going to investigate: What is architecture? Kinds of N-Tier application architecture and its advantage and disadvantage.
There is also a very basic quiz at the end of the session.
After you complete this course, you should be able to use IBM® Rational® DOORS Next Generation, part of the Jazz™ solution for requirements management to:
- View and work with requirements and other artifacts in a collaborative context
- Create and edit requirements documents and other artifacts, including both textual and graphical artifacts
- Create, manage, and view traceability relationships between requirements and other artifacts
- Manage requirements throughout a project lifecycle
Mobile Responsive Social Corporate Intranet Portal ApplicationMike Taylor
Mobile Responsive Social Corporate Intranet Portal Application to enhance employee productivity and with Forums, Chat, Leave Status, Groups, Knowledge Base
Software application architecture is an interesting and broadly discussed topic. In this presentation, I am discussing N-Tier application architecture. Going to investigate: What is architecture? Kinds of N-Tier application architecture and its advantage and disadvantage.
There is also a very basic quiz at the end of the session.
After you complete this course, you should be able to use IBM® Rational® DOORS Next Generation, part of the Jazz™ solution for requirements management to:
- View and work with requirements and other artifacts in a collaborative context
- Create and edit requirements documents and other artifacts, including both textual and graphical artifacts
- Create, manage, and view traceability relationships between requirements and other artifacts
- Manage requirements throughout a project lifecycle
Mobile Responsive Social Corporate Intranet Portal ApplicationMike Taylor
Mobile Responsive Social Corporate Intranet Portal Application to enhance employee productivity and with Forums, Chat, Leave Status, Groups, Knowledge Base
WebSphere Message Broker In Shared Runtime EnvironmentsMårten Gustafson
WebSphere Message Broker in shared runtime environments.
Typical environment configurations and common set-ups with regards to high availability and workload balancing.
What kind of solutions do we see implemented on top of message broker what are the demands for these solutions in terms of availability and isolation?
How do we cater for these needs in a shared runtime environment?
Also takes a look at the organization developing solutions targeting a shared runtime environment and how different organizations pose different requirements and challenges.
Presentation given at IBM Transaction & Messaging conference in Barcelon 2008.
Web Component Development with Servlet and JSP Technologies Unit 01Prashanth Shivakumar
Download Complete Material - https://www.instamojo.com/prashanth_ns/
This Web Component Development with Servlet and JSP Technologies contains 16 Units and each unit contains 60 slides in it.
Contents…
• Introduction to Web Application Technologies
• Developing a View Component
• Developing a Controller Component
• Developing Dynamic Forms
• Sharing Application Resources Using the Servlet Context
• Designing the Business Tier
• Developing Web Applications Using Struts
• Developing Web Applications Using Session Management
• Using Filters in Web Applications
• Integrating Web Applications With Databases
• Developing JSP™ Pages
• Developing JSP Pages Using Custom Tags
• Developing Web Applications Using Struts Action Forms
• Building Reusable Web Presentation Components
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The presentation of a Model-Driven Enterprise Engineering (MDEE) approach based on a sound theoretical foundation, providing end-to-end guidance to refine and transform an organization model into an IT system supporting that organization.
WebSphere Message Broker In Shared Runtime EnvironmentsMårten Gustafson
WebSphere Message Broker in shared runtime environments.
Typical environment configurations and common set-ups with regards to high availability and workload balancing.
What kind of solutions do we see implemented on top of message broker what are the demands for these solutions in terms of availability and isolation?
How do we cater for these needs in a shared runtime environment?
Also takes a look at the organization developing solutions targeting a shared runtime environment and how different organizations pose different requirements and challenges.
Presentation given at IBM Transaction & Messaging conference in Barcelon 2008.
Web Component Development with Servlet and JSP Technologies Unit 01Prashanth Shivakumar
Download Complete Material - https://www.instamojo.com/prashanth_ns/
This Web Component Development with Servlet and JSP Technologies contains 16 Units and each unit contains 60 slides in it.
Contents…
• Introduction to Web Application Technologies
• Developing a View Component
• Developing a Controller Component
• Developing Dynamic Forms
• Sharing Application Resources Using the Servlet Context
• Designing the Business Tier
• Developing Web Applications Using Struts
• Developing Web Applications Using Session Management
• Using Filters in Web Applications
• Integrating Web Applications With Databases
• Developing JSP™ Pages
• Developing JSP Pages Using Custom Tags
• Developing Web Applications Using Struts Action Forms
• Building Reusable Web Presentation Components
An Enterprise Ontology based approach to Model-Driven EngineeringJohan den Haan
The presentation of a Model-Driven Enterprise Engineering (MDEE) approach based on a sound theoretical foundation, providing end-to-end guidance to refine and transform an organization model into an IT system supporting that organization.
J2EE Web Tier Structure and Framework MVC. This presentation includes J2EE web tier framework design. model-View-controller(MVC) is briefly described in the slides.Model View controller separates the development of an application modules in three main categories: one for the application model with its data representation and business logic, the second for views that provide data presentation and user input, the third for a controller to dispatch requests and control flow.
IBM WebSphere Message Broker Application Development Presentation gives introduction to WMB and MQ concepts.
Proficiency Level: Beginner to Intermediate.
This document should not be considered as reference for WMB and MQ concepts. This is only an understanding document.
Please post your comments/reviews/suggestions/complaints here or email me: vvijayaraghava@hotmail.com
I tried to upload the Powerpoint presentation, but the document is not getting uploaded. Hence uploading the presentation in the form of PDF.
discussions about different types of architectures used in web applications, pros and cons of each architecture. MVC design patters and comparison with 3-tier.
This material prepared by Calance professionals is intended for Java technologists and IT professionals with some exposure to J2EE. Readers will discover key design considerations, implementation techniques, practicability, and some guiding principles of building an Enterprise Application. To find out what IT solutions and services Calance offers, visit http://www.calanceus.com.
Actively looking for an opportunity to work as a challenging Dot Net DeveloperKarthik Reddy
The .Net Developer designs, modifies, develops, writes and implements software programming applications and components. Supports and/or installs software applications and components. Works from written specifications and pre-established guidelines to perform the functions of the job and maintains documentation of process flow.
Actively looking for an opportunity to work as a challenging Dot Net DeveloperKarthik Reddy
The .Net Developer designs, modifies, develops, writes and implements software programming applications and components. Supports and/or installs software applications and components. Works from written specifications and pre-established guidelines to perform the functions of the job and maintains documentation of process flow.
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This video focuses on the notifications, alerts, and approval requests using Slack for Bonterra Impact Management. The solutions covered in this webinar can also be deployed for Microsoft Teams.
Interested in deploying notification automations for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
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Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
The UiPath Test Manager overview with SAP heatmap webinar offers a concise yet comprehensive exploration of the role of a Test Manager within SAP environments, coupled with the utilization of heatmaps for effective testing strategies.
Participants will gain insights into the responsibilities, challenges, and best practices associated with test management in SAP projects. Additionally, the webinar delves into the significance of heatmaps as a visual aid for identifying testing priorities, areas of risk, and resource allocation within SAP landscapes. Through this session, attendees can expect to enhance their understanding of test management principles while learning practical approaches to optimize testing processes in SAP environments using heatmap visualization techniques
What will you get from this session?
1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
Topics covered:
Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
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Clients don’t know what they don’t know. What web solutions are right for them? How does WordPress come into the picture? How do you make sure you understand scope and timeline? What do you do if sometime changes?
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Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
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The IoT and OT threat landscape report has been prepared by the Threat Research Team at Sectrio using data from Sectrio, cyber threat intelligence farming facilities spread across over 85 cities around the world. In addition, Sectrio also runs AI-based advanced threat and payload engagement facilities that serve as sinks to attract and engage sophisticated threat actors, and newer malware including new variants and latent threats that are at an earlier stage of development.
The latest edition of the OT/ICS and IoT security Threat Landscape Report 2024 also covers:
State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
Global APT activity, AI usage, actor and tactic profiles, and implications
Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
Expansion of bot farms – how, where, and why
In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
Why are attacks on smart factories rising?
Cyber risk predictions
Axis of attacks – Europe
Systemic attacks in the Middle East
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https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
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2. J2EE
Objective:
- simplify development and
maintenance of enterprise applications
( B2B, B2C ).
3. Enterprise applications goals
• To support or advance the goals of the
organization.
• To be able to compete effectively.
• To streamline operations.
• To save or make money.
4. Need for J2EE
• Integration with legacy EIS.
• Reliability and confidence.
• Complexity (mission-critical) in building and
maintaining.
odules exist on heterogeneous environment.
ifferent modules written in different languages.
5. J2EE goals
• To provide an architecture to:
• Reduce server down-time.
• Increase application scalability (raise to demands).
• Application stability (should execute as expected
without crashing without exhibiting buggy nature
or incompleteness).
• Secure (be tolerant to unauthorized access of vital
data).
• Simplicity (to enable faster development and
maintenance).
6. Advantages of J2EE
• Being developed and enhanced under the
ordinance of JCP, meets the real-time
requirements of enterprise application developers.
• Portable deployment – “develop once, deploy
anywhere” mantra.
• Forces to abide by three-tiered architecture and
supports n-tier.
7. Advantages of J2EE
• Provides infrastructure/design to enable
developers to create, distributed and
interoperable enterprise apps.
• It is a distributed, multi-tiered and component
based architecture that facilitates scalable
applications.
• Scalability of not only applications performance
but also of application development process.
8. What is J2EE?
• It’s a separate edition of Java optimized to meet the usage
and performance requirements of enterprise solutions.
• J2EE is J2SE + additional API’s (that provide enterprise
computing capabilities) and an execution environment for
them.
• It is designed for construction of distributed apps and is
based on MVC paradigm, a proven approach for designing
multi-tier, enterprise apps that are scalable and
maintainable.
9. What is J2EE?
• It is an architecture specification to provide/support
distributed, multi-tiered, component based
platform/infrastructure to enable developers to create
(develop) and deploy enterprise applications that are
secure, distributed, interoperable and scalable.
• It simplifies enterprise application development and
maintenance by basing them on standardized,
modular components, by providing a complete set of
services to those components, and by handling
details of application behavior automatically.
10. When do I use J2EE?
To provide fast, reliable access to corporate databases
from the Web.
To build dynamic, data-driven web applications for
large user populations that expect 24*7 availability.
To automate E-Mail or wireless communications with
partners, vendors, employees or customers.
To implement complex business logic.
11. When do I use J2EE?
To provide robust user
authentication/authorization for web resources
and other services.
To write applications that seamlessly integrate
data from disparate sources on multiple
platforms.
To execute distributed transactions across
multiple data stores.
13. About Enterprise
Applications
Things that make up an enterprise application
– Presentation logic
– Business logic
– Data access logic (and data model)
– System services
The evolution of enterprise application framework
reflects
– How flexibly you want to make changes
– Where the system services are coming from
14. Single Tier (Mainframe-based)
Dumb terminals are directly
connected to mainframe
Centralized model (as opposed
distributed model)
Presentation, business logic, and data
access are intertwined in one
monolithic mainframe application
Eg. FOXPRO
15. Single-Tier : Pros & Cons
Pros:
– No client side management is required
– Data consistency is easy to achieve
Cons:
– Functionality (presentation, data model, business
logic) intertwined, difficult for updates and
maintenance and code reuse
16. Two-Tier
Fat clients talking to back end
database
– SQL queries sent, raw data
returned
Presentation, Business logic
and Data Model processing
logic in client application
• Client – Server systems
• Ex:- Unix, mainframes
17. Two-Tier : Pros & Cons
Pro:
– DB product independence (compared to single-tier model)
Cons:
– Presentation, data model, business logic are intertwined
(at client side), difficult for updates and maintenance
– Data Model is “tightly coupled” to every client: If DB
Schema changes, all clients break
– Updates have to be deployed to all clients making System
maintenance nightmare
– DB connection for every client, thus difficult to scale
– Raw data transferred to client for processing causes high
network traffic
18. Three-Tier (RPC based)
Thinner client: business & data
model separated from
presentation
– Business logic and data access
logic reside in middle tier server
while client handles
presentation
Middle tier server is now
required to handle system
services
– Concurrency control,
threading, transaction, security,
persistence, multiplexing,
performance, etc.
19. Three-Tier (RPC based) : Pros
& Cons
Pro:
– Business logic can change more flexibly than 2-tier
model
Most business logic reside in the middle-tier server
Cons:
– Complexity is introduced in the middle-tier server
– Client and middle-tier server is more tightlycoupled
(than the three-tier object based model)
– Code is not really reusable (compared to object model
based)
20. N-Tier
• N-Tiered architecture: Various components that make up
the application are logically separated or distributed
across network.
• Client Server Server Database
• Eg. ATM Application
22. Tier Architecture in J2EE
• Front end (Client):
• Viewed and manipulated by the users.
• It can live in a Web browser or a standalone application.
• Presents customized information to clients
requirements.
• Servlets and JSP is used as Front end development.
23. Tier Architecture in J2EE
• Middle:
• Contains business logic Ex: Discounts.
• It may contain two sub-tiers:
• Web Tier – It handles communication to client.
• EJB Tier – It manages business logic and access to
corporate data.
• Backend (EIS):
• Provides access to various corporate data stores
(Databases, E-Mail system, Legacy systems…)
25. Need for MVC
J2EE designers were faced with a question of where
to place the code in a distributed environment.
Reasonable solution: To divide the code and put
them closer to their respective tier.
This approach reminds a popular, proven 20 year
old application design pattern called MVC.
MVC is a design pattern for building maintainable
applications, introduced by Xerox researchers.
26. What is MVC?
• Technique aimed to make large applications
flexible/simple during development and maintenance.
• It is a design pattern for partitioning of labor into
three layers.
• The "model" is the internal workings of the program
(the algorithms), the "view" is how the user sees the
state of the model and the "controller" is how the user
changes the state or provides input.
27. What is MVC?
In this pattern, application flow is mediated by a
central controller that delegates requests to an
appropriate handler.
Controller is the means by which users interacts with
web application. Controller is responsible for input to
the model.
28. What is MVC?
Ex: A pure GUI controller accepts input from the user
and instructs the model to create a view based on that
input. If an invalid input is sent to the controller from
the view, model informs controller to direct the view
that error occurred and to tell it to try again.
29. MVC Example
VIEW CONTROLLER MODEL
getBalance()
Transfer()
Withdraw()
ATM Account DB
Deposit()
ATM Network