**** Java Certification Training: https://www.edureka.co/java-j2ee-soa-training ****
This Edureka tutorial on “Java Collections” will talk about the complete hierarchy of Collections Frameworks in Java. It will walk you through the various fundamentals of collections like Lists, Queue, Sets, Interfaces etc. Through this tutorial you will learn the following topics:
Java Collection Framework
Collection Framework Hierarchy
Interfaces
List
Queue
Set
Check out our Java Tutorial blog series: https://goo.gl/osrGrS
Check out our complete Youtube playlist here: https://goo.gl/gMFLx3
This presentation introduces some concepts about the Java Collection framework. These slides introduce the following concepts:
- Collections and iterators
- Linked list and array list
- Hash set and tree set
- Maps
- The collection framework
The presentation is took from the Java course I run in the bachelor-level informatics curriculum at the University of Padova.
Collection Framework in Java | Generics | Input-Output in Java | Serializatio...Sagar Verma
Collection Framework in Java,Generics,Input-Output in Java,Serialization,Inner Classes
Collection Framework in Java
The Collections Framework - Set Interface- List Interface - Map Interface - Queue Interface -Sorting collections using utility methods
equals () and hash Code contract in Java collections
Overriding equals and hash Code methods in Java
Generics
Generics for Collections, class and methods
Input-Output in Java
What is a stream? ,Bytes vs. Characters, Java IO API ,Reading a file; writing to a file using various APIs
Reading User input from console , PrintWriter Class
Serialization
Object Serialization , Serializable Interface , De-Serializable
Inner Classes
Inner Classes ,Member Classes, Local Classes, Anonymous Classes, Static Nested Classes
Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
In this core java training session, you will learn Collections – Lists, Sets. Topics covered in this session are:
• List – ArrayList, LinkedList
• Set – HashSet, LinkedHashSet, TreeSet
For more information about this course visit on this link: https://www.mindsmapped.com/courses/software-development/learn-java-fundamentals-hands-on-training-on-core-java-concepts/
This presentation introduces some concepts about the Java Collection framework. These slides introduce the following concepts:
- Collections and iterators
- Linked list and array list
- Hash set and tree set
- Maps
- The collection framework
The presentation is took from the Java course I run in the bachelor-level informatics curriculum at the University of Padova.
Collection Framework in Java | Generics | Input-Output in Java | Serializatio...Sagar Verma
Collection Framework in Java,Generics,Input-Output in Java,Serialization,Inner Classes
Collection Framework in Java
The Collections Framework - Set Interface- List Interface - Map Interface - Queue Interface -Sorting collections using utility methods
equals () and hash Code contract in Java collections
Overriding equals and hash Code methods in Java
Generics
Generics for Collections, class and methods
Input-Output in Java
What is a stream? ,Bytes vs. Characters, Java IO API ,Reading a file; writing to a file using various APIs
Reading User input from console , PrintWriter Class
Serialization
Object Serialization , Serializable Interface , De-Serializable
Inner Classes
Inner Classes ,Member Classes, Local Classes, Anonymous Classes, Static Nested Classes
Collections Framework is a unified architecture for managing collections, Main Parts of Collections Framework
1. Interfaces :- Core interfaces defining common functionality exhibited by collections
2. Implementations :- Concrete classes of the core interfaces providing data structures
3. Operations :- Methods that perform various operations on collections
In this core java training session, you will learn Collections – Lists, Sets. Topics covered in this session are:
• List – ArrayList, LinkedList
• Set – HashSet, LinkedHashSet, TreeSet
For more information about this course visit on this link: https://www.mindsmapped.com/courses/software-development/learn-java-fundamentals-hands-on-training-on-core-java-concepts/
To learn important concept of Collection and its handling plus its advantages and different class & child class of Collection and their implementations. Important interview questions of the collection.
Java is Object Oriented Programming. Java 8 is the latest version of the Java which is used by many companies for the development in many areas. Mobile, Web, Standalone applications.
To learn important concept of Collection and its handling plus its advantages and different class & child class of Collection and their implementations. Important interview questions of the collection.
Java is Object Oriented Programming. Java 8 is the latest version of the Java which is used by many companies for the development in many areas. Mobile, Web, Standalone applications.
( ** Java Certification Training: https://www.edureka.co/java-j2ee-soa-training ** )
This Edureka tutorial on “Java ArrayList” (Java blog series: https://goo.gl/osrGrS) will give you a brief insight about ArrayList in Java and its various constructors and methods along with an example. Through this tutorial, you will learn the following topics:
Collections Framework
Hierarchy of ArrayList
What is ArrayList
Internal Working of ArrayList
Constructors of ArrayList
Constructors Example
ArrayList Methods
Methods Example and Demo
Advantages of ArrayList over Arrays
Check out our Java Tutorial blog series: https://goo.gl/osrGrS
Check out our complete Youtube playlist here: https://goo.gl/CRbgFann
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Java collection classes and their usage.how to use java collections in a program and different types of collections. difference between the map list set, volatile keyword.
In this session you will learn:
List – ArrayList, LinkedList
Set – HashSet, LinkedHashSet, TreeSet
For more information: https://www.mindsmapped.com/courses/software-development/become-a-java-developer-hands-on-training/
vision academy advance java note.
describe all points in the notes with example. This is not a class that focuses on theory. Participants will find the course is loaded with practical . After taking this class, developers will be able to build Web applications that perform well, are scalable, and that are easier to maintain.The course builds a strong understanding of JDBC Technology. It gives in to demonstrate why Servlets are the cornerstone of Java’s Web platform. It then shows how JSP is built on the Servlet architecture. Additionally, the class shows students how to use JSTL, custom tags and expression language to reduce Java code in Web pages while adding tremendous power and capability to those pages. The class culminates in an exploration of Java MVC frameworks like Struts at a high level.
NJB_Coll_Lib1/javadoc/allclasses-frame.htmlAll ClassesDynamicArrayDynamicArray
__MACOSX/NJB_Coll_Lib1/javadoc/._allclasses-frame.html
NJB_Coll_Lib1/javadoc/allclasses-noframe.htmlAll ClassesDynamicArrayDynamicArray
__MACOSX/NJB_Coll_Lib1/javadoc/._allclasses-noframe.html
NJB_Coll_Lib1/javadoc/classes/class-use/DynamicArray.html
JavaScript is disabled on your browser.
Skip navigation linksOverviewPackageClassUseTreeDeprecatedIndexHelpPrevNextFramesNo FramesAll ClassesUses of Class
classes.DynamicArray
No usage of classes.DynamicArray
Skip navigation linksOverviewPackageClassUseTreeDeprecatedIndexHelpPrevNextFramesNo FramesAll Classes
__MACOSX/NJB_Coll_Lib1/javadoc/classes/class-use/._DynamicArray.html
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NJB_Coll_Lib1/javadoc/classes/DynamicArray.html
JavaScript is disabled on your browser.
Skip navigation linksOverviewPackageClassUseTreeDeprecatedIndexHelpPrev ClassNext ClassFramesNo FramesAll ClassesSummary: Nested | Field | Constr | MethodDetail: Field | Constr | Method
classes
Class DynamicArrayjava.lang.Objectclasses.DynamicArraypublic class DynamicArray
extends java.lang.Object
implemenation of the dynamic array ADT as a
partially-filled array of double values
Constructor Summary
Constructors Constructor and DescriptionDynamicArray()
constructor initializes array, current size
Method Summary
All Methods Instance MethodsConcrete MethodsModifier and TypeMethod and Descriptionvoidadd(double element)
adds a double to the end of array,
growing storage if necessary
intcapacity()
gets the current array capacity
doubleget(int index)
retrieves double from given index in array
voidinsert(int index,
double element)
adds a double to the array at given index,
growing storage if necessary
doubleremove(int index)
removes double from given index in array
intsize()
gets current number of elements
java.lang.StringtoString() Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitConstructor DetailDynamicArraypublic DynamicArray()
constructor initializes array, current size
Method Detailsizepublic int size()
gets current number of elements
Returns:integer sizecapacitypublic int capacity()
gets the current array capacity
Returns:integer capacityaddpublic void add(double element)
adds a double to the end of array,
growing storage if necessary
Parameters:element - element to be added to elementsinsertpublic void insert(int index,
double element)
throws java.lang.IndexOutOfBoundsException
adds a double to the array at given index,
growing storage if necessary
Parameters:index - given indexelement - element to be added to elementsThrows:java.lang.IndexOutOfBoundsException - if index < 0 or > current sizegetpublic double get(int index)
throws java.lang.IndexOutOfBoundsException
retrieves double from given index in ar ...
The Collection in Java is a framework that provides an architecture to store and manipulate the group of objects.
All the operations that you perform on a data such as searching, sorting, insertion, manipulation, deletion, etc. can be achieved by Java Collections.
Java Collection means a single unit of objects. Java Collection framework provides many interfaces (Set, List, Queue, Deque, etc.) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, TreeSet, etc.).
What to learn during the 21 days Lockdown | EdurekaEdureka!
Register Here: https://resources.edureka.co/21-days-learning-plan-webinar/
In light of the complete national lockdown for 21 days, we invite you to join a FREE webinar by renowned Mentor and Advisor, Nitin Gupta as he helps you create a 21-day learning gameplan to maximize returns for your career.
The webinar will help freshers and experienced professionals to capitalize on these 21 days and figure out the best technologies to learn while confined to home.
You will also get all your questions and doubts resolved in real-time.
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Top 10 Dying Programming Languages in 2020 | EdurekaEdureka!
YouTube Link: https://youtu.be/LSM7hD6GM4M
Get Edureka Certified in Trending Programming Languages: https://www.edureka.co
In this highly competitive IT industry, everyone wants to learn programming languages that will keep them ahead of the game. But knowing what to learn so you gain the most out of your knowledge is a whole other ball game. So, we at Edureka have prepared a list of Top 10 Dying Programming Languages 2020 that will help you to make the right choice for your career. Meanwhile, if you ever wondered about which languages are slated for continuing uptake and possible greatness, we have a list for that, too.
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Top 5 Trending Business Intelligence Tools | EdurekaEdureka!
YouTube Link: https://youtu.be/eEwq_mPd1iI
Edureka BI Certification Training Courses: https://www.edureka.co/bi-and-visualization-certification-courses
Receiving insights and finding trends is absolutely critical for businesses to scale and adapt as the years go on. This is exactly what business intelligence does and the best thing about these software solutions is that their potential uses are practically unlimited.
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Tableau Tutorial for Data Science | EdurekaEdureka!
YouTube Link:https://youtu.be/ZHNdSKMluI0
Edureka Tableau Certification Training: https://www.edureka.co/tableau-certification-training
This Edureka's PPT on "Tableau for Data Science" will help you to utilize Tableau as a tool for Data Science, not only for engagement but also comprehension efficiency. Through this PPT, you will learn to gain the maximum amount of insight with the least amount of effort.
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YouTube Link:https://youtu.be/CVv8zhYEjUE
Edureka Python Certification Training: https://www.edureka.co/data-science-python-certification-course
This Edureka PPT on 'Python Programming' will help you learn Python programming basics with the help of interesting hands-on implementations.
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YouTube Link:https://youtu.be/LvgqSMlIXFs
Get Edureka Certified in Trending Project Management Certifications: https://www.edureka.co/project-management-and-methodologies-certification-courses
Whether you want to scale up your career or are trying to switch your career path, Project Management Certifications seems to be a perfect choice in either case. So, we at Edureka have prepared a list of Top 5 Project Management Certifications that you must check out in 2020 for a major career boost.
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Top Maven Interview Questions in 2020 | EdurekaEdureka!
YouTube Link: https://youtu.be/5iTcAR4fScM
**DevOps Certification Courses - https://www.edureka.co/devops-certification-training***
This video on 'Maven Interview Questions' discusses the most frequently asked Maven Interview Questions. This PPT will help give you a detailed explanation of the topics which will help you in acing the interviews.
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YouTube Link: https://youtu.be/xHUiYEIcY_I
** Linux Administration Certification Training - https://www.edureka.co/linux-admin **
Linux Mint is the first operating system that people from Windows or Mac are drawn towards when they have to switch to Linux in their work environment. Linux Mint has been around since the year 2006 and has grown and matured into a very user-friendly OS. Do watch the PPT till the very end to see all the demonstrations.
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How to Deploy Java Web App in AWS| EdurekaEdureka!
YouTube Link:https://youtu.be/Ozc5Yu_IcaI
** Edureka AWS Architect Certification Training - https://www.edureka.co/aws-certification-training**
This Edureka PPT shows how to deploy a java web application in AWS using AWS Elastic Beanstalk. It also describes the advantages of using AWS for this purpose.
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YouTube Link:https://youtu.be/phPCkkWT76k
*** Edureka Digital Marketing Course: https://www.edureka.co/post-graduate/digital-marketing-certification***
This Edureka PPT on "Top 10 Reasons to Learn Digital Marketing" will help you understand why you should take up Digital Marketing
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YouTube Link: https://youtu.be/R132INtDg9k
** RPA Training: https://www.edureka.co/robotic-process-automation-training**
This PPT on RPA in 2020 will provide a glimpse of the accomplishments and benefits provided by RPA. Also, it will list out the new changes and technologies that will collaborate with RPA in 2020.
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YouTube Link: https://youtu.be/mb8WOHejlT8
**DevOps Certification Courses - https://www.edureka.co/devops-certification-training **
This PPT shows how to configure Jenkins to receive email notifications. It also includes a demo that shows how to do it in 6 simple steps in the Windows machine.
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EA Algorithm in Machine Learning | EdurekaEdureka!
YouTube Link: https://youtu.be/DIADjJXrgps
** Machine Learning Certification Training: https://www.edureka.co/machine-learning-certification-training **
This Edureka PPT on 'EM Algorithm In Machine Learning' covers the EM algorithm along with the problem of latent variables in maximum likelihood and Gaussian mixture model.
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PGP in AI and Machine Learning (9 Months Online Program): https://www.edureka.co/post-graduate/machine-learning-and-ai
This Edureka PPT on "Cognitive AI" explains cognitive computing and how it helps in making better human decisions at work. Also, it explains the differences between cognitive computing and artificial intelligence.
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Edureka AWS Architect Certification Training - https://www.edureka.co/aws-certification-training
This Edureka PPT on AWS Cloud Practitioner will provide a complete guide to your AWS Cloud Practitioner Certification exam. It will explain the exam details, objectives, why you should get certified and also how AWS certification will help your career.
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Blue Prism Top Interview Questions | EdurekaEdureka!
YouTube Link: https://youtu.be/ykbRdUNIbyQ
** RPA Training: https://www.edureka.co/robotic-process-automation-certification-courses**
This PPT on Blue Prism Interview Questions will cover the Top 50 Blue Prism related questions asked in your interviews.
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AWS Architect Certification Training: https://www.edureka.co/aws-certification-training
This PPT will help you in understanding how AWS deals smartly with Big Data. It also shows how AWS can solve Big Data challenges with ease.
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A star algorithm | A* Algorithm in Artificial Intelligence | EdurekaEdureka!
YouTube Link: https://youtu.be/amlkE0g-YFU
** Artificial Intelligence and Deep Learning: https://www.edureka.co/ai-deep-learni... **
This Edureka PPT on 'A Star Algorithm' teaches you all about the A star Algorithm, the uses, advantages and disadvantages and much more. It also shows you how the algorithm can be implemented practically and has a comparison between the Dijkstra and itself.
Check out our playlist for more videos: http://bit.ly/2taym8X
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Kubernetes Installation on Ubuntu | EdurekaEdureka!
YouTube Link: https://youtu.be/UWg3ORRRF60
Kubernetes Certification: https://www.edureka.co/kubernetes-certification
This Edureka PPT will help you set up a Kubernetes cluster having 1 master and 1 node. The detailed step by step instructions is demonstrated in this PPT.
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DevOps Training: https://www.edureka.co/devops-certification-training
This Edureka DevOps Tutorial for Beginners talks about What is DevOps and how it works. You will learn about several DevOps tools (Git, Jenkins, Docker, Puppet, Ansible, Nagios) involved at different DevOps stages such as version control, continuous integration, continuous delivery, continuous deployment, continuous monitoring.
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Software Delivery At the Speed of AI: Inflectra Invests In AI-Powered QualityInflectra
In this insightful webinar, Inflectra explores how artificial intelligence (AI) is transforming software development and testing. Discover how AI-powered tools are revolutionizing every stage of the software development lifecycle (SDLC), from design and prototyping to testing, deployment, and monitoring.
Learn about:
• The Future of Testing: How AI is shifting testing towards verification, analysis, and higher-level skills, while reducing repetitive tasks.
• Test Automation: How AI-powered test case generation, optimization, and self-healing tests are making testing more efficient and effective.
• Visual Testing: Explore the emerging capabilities of AI in visual testing and how it's set to revolutionize UI verification.
• Inflectra's AI Solutions: See demonstrations of Inflectra's cutting-edge AI tools like the ChatGPT plugin and Azure Open AI platform, designed to streamline your testing process.
Whether you're a developer, tester, or QA professional, this webinar will give you valuable insights into how AI is shaping the future of software delivery.
Let's dive deeper into the world of ODC! Ricardo Alves (OutSystems) will join us to tell all about the new Data Fabric. After that, Sezen de Bruijn (OutSystems) will get into the details on how to best design a sturdy architecture within ODC.
Key Trends Shaping the Future of Infrastructure.pdfCheryl Hung
Keynote at DIGIT West Expo, Glasgow on 29 May 2024.
Cheryl Hung, ochery.com
Sr Director, Infrastructure Ecosystem, Arm.
The key trends across hardware, cloud and open-source; exploring how these areas are likely to mature and develop over the short and long-term, and then considering how organisations can position themselves to adapt and thrive.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
DevOps and Testing slides at DASA ConnectKari Kakkonen
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
All of this illustrated with link prediction over knowledge graphs, but the argument is general.
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
UiPath Test Automation using UiPath Test Suite series, part 4DianaGray10
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
The Art of the Pitch: WordPress Relationships and SalesLaura Byrne
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?
All these questions and more will be explored as we talk about matching clients’ needs with what your agency offers without pulling teeth or pulling your hair out. Practical tips, and strategies for successful relationship building that leads to closing the deal.
Smart TV Buyer Insights Survey 2024 by 91mobiles.pdf91mobiles
91mobiles recently conducted a Smart TV Buyer Insights Survey in which we asked over 3,000 respondents about the TV they own, aspects they look at on a new TV, and their TV buying preferences.
Slack (or Teams) Automation for Bonterra Impact Management (fka Social Soluti...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
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.
PHP Frameworks: I want to break free (IPC Berlin 2024)Ralf Eggert
In this presentation, we examine the challenges and limitations of relying too heavily on PHP frameworks in web development. We discuss the history of PHP and its frameworks to understand how this dependence has evolved. The focus will be on providing concrete tips and strategies to reduce reliance on these frameworks, based on real-world examples and practical considerations. The goal is to equip developers with the skills and knowledge to create more flexible and future-proof web applications. We'll explore the importance of maintaining autonomy in a rapidly changing tech landscape and how to make informed decisions in PHP development.
This talk is aimed at encouraging a more independent approach to using PHP frameworks, moving towards a more flexible and future-proof approach to PHP development.
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
💥 Speed, accuracy, and scaling – discover the superpowers of GenAI in action with UiPath Document Understanding and Communications Mining™:
See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
Get an exclusive demo of the new family of UiPath LLMs – GenAI models specialized for processing different types of documents and messages
This is a hands-on session specifically designed for automation developers and AI enthusiasts seeking to enhance their knowledge in leveraging the latest intelligent document processing capabilities offered by UiPath.
Speakers:
👨🏫 Andras Palfi, Senior Product Manager, UiPath
👩🏫 Lenka Dulovicova, Product Program Manager, UiPath
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...
Java Collections | Collections Framework in Java | Java Tutorial For Beginners | Edureka
1.
2. Topics for Today’s Session
JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Collection
Framework
Interfaces Queue
Collection Framework
Hierarchy
List Set
4. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Collection Framework
It provides an architecture to store and manipulate a group of objects
Using Java Collections various operations can be performed on the data like searching,
sorting, insertion, manipulation, deletion, etc.
Java Collection framework provides many interfaces and classes
Collections are the containers that groups multiple items in a single unit
01
02
03
04
9. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Interface
Interfaces are the reference types which are similar to classes but contains only abstract methods
Interface cannot be instantiated
Contains only abstract methods
An interface can extend
multiple interfaces
Interface is implemented by a
class
Interface do not contain
constructors or instance fields
10. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Interface
Iterable
The Iterable interface is the root interface for all the collection classes. The Collection interface along with all its
subclasses also implement the Iterable interface.
Methods Iterator<T> iterator()
Collection
Collection interface is implemented by all the classes in the collection framework & declares the methods that every
collection will contain
Methods Boolean add(Object obj)
Iterator The Iterator interface provides the facility of iterating the elements only in a forward direction.
Methods public boolean hasNext() public Object next() public void remove()
Boolean addAll(Object obj) void clear() ...
12. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedListVector
Java List
Java List is an interface that extents the Collection and contains ordered collection of elements including duplicate values
ArrayListList Types
13. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
ArrayList is the implementation of
List Interface where the elements can
be dynamically added or removed
from the list
The size of the list is increased
dynamically if the elements are
added more than the initial size
0 1 2 3 4 5
ArrayList object = new ArrayList ();
14. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
java.utils.ArrayList
boolean add(Collection c)
void add(int index, Object
element)
void clear()
Object[] toArray() void trimToSize()
Object clone()int lastIndexOf(Object o)
15. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Linked List is a sequence of links which
contains items
Linkedlist object = new Linkedlist();
Singly Linked List
Doubly Linked List
Each link contains a connection to another
link
16. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Singly Linked List Doubly Linked List
Each node in this list stores the data of the node and a pointer or reference to the next node in the list
Prev Next Prev Next Prev Next
NULL
HEAD
17. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Singly Linked List Doubly Linked List
Doubly Linked list has two references: one to the next node and another to previous node
Next
NULL
HEAD
NodePrev
NextNodePrev
NextNodePrev
18. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Java.util.Linkedlist
boolean add(Object c) boolean contains(Object o)
void add (int index, Object
element)
int indexOf(Object
element)
int lastIndexOf(Object
element)
void addLast(Object o)void addFirst(Object o)
int size() boolean remove(Object o)
19. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Vectors are similar to arrays, where
the elements of the vector object can
be accessed via an index into the
vector
Vector implements a dynamic array
and is not limited to a specific size
and is synchronized
Vector object = new Vector(size,increment);
0 1 2 3 4 5
20. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
LinkedList
Java List
ArrayList
Vector
Java.util.Vectors
boolean add(Object c)
void add (int index, Object
element)
int indexOf(Object
element)
int lastIndexOf(Object
element)
boolean contains(Object
element)
void clear()
int size() boolean remove(Object o)
22. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Queue
0 1 2 3 … … … n
Insert Remove
Rear Front
Queue in Java follows a FIFO approach i.e. it orders
the elements in First In First Out manner
The first element is removed first and last element
is removed in the end
Queue<Integer> q = new LinkedList<>();
25. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Sets
A Set refers to a collection that cannot contain
duplicate elements
It is mainly used to model the mathematical set
abstraction
LinkedHashSet
TreeSet
HashSet
Set has its implementation in various classes
26. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Sets
LinkedHashSet
TreeSet
HashSet
Java HashSet class creates a collection that use a hash table for storage
Hashset only contain unique elements and it inherits the AbstractSet class and implements Set
interface
It uses a mechanism hashing to store the elements
HashSet<String> al= new HashSet();
27. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Sets
LinkedHashSet
TreeSet
HashSet
Java.util.HashSet
boolean add(Object c) boolean contains(Object o)
Iterator iterator() Object clone()
boolean isEmpty()void clear()
int size() boolean remove(Object o)
28. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Sets
LinkedHashSet
TreeSet
HashSet
Java LinkedHashSet class is a Hash table and Linked list implementation of the set interface
It contains only unique elements
It provides all optional set operations and maintains insertion order
LinkedHashSet<String> al=new LinkedHashSet();
This class inherits methods from other classes
AbstractCollection Object Set
HashSet AbstractSet
29. JAVA CERTIFICATION TRAINING www.edureka.co/java-j2ee-soa-training
Java Sets
LinkedHashSet
TreeSet
HashSet
TreeSet class implements the Set interface that uses a tree for storage
The objects of this class are unique and are stored in the ascending order
It inherits AbstractSet class and implements NavigableSet interface
TreeSet<String> al=new TreeSet<String>();