Sequence diagram tutorial with examplepráce

Tvorba části našeho systému, která bude sloužit k tvorbě a editaci workflow - oběhu dokumentů. Nástroj v současné době existuje v podobě exe programu pro Windows, chceme jej přepsat do webové podoby. Jde o to, že v prostředí webu nakreslím vývojový diagram, každému prvku vývojového diagramu přidělím nějaké atributy. Výsledný graf předám ve formě JSON na server, který si jej uloží v databázi (serverová část není součástí zadání), zadání je pouze na tvorbu webového interface. - stavět se bude pravděpodobně na hotové knihovně pro tyto účely GoJS - -...

...search of a skilled scriptwriter to craft a personal biography with a focus on the thematic narration of my inner journey and self-discovery. • Biography Type: The script should be based around a personal biography, concentrating on my personal experiences rather than professional accomplishments. This biography will serve as a means to convey my deeper self-exploration and development. • Storytelling Approach: I favor a thematic over chronological narration. The structure of the biography should play around themes derived from my inner journey and the continuous path of self-discovery I have undergone. The storytelling should effectively weave the themes from my life experiences throughout the script instead of a time-based sequence. Ideal candidate: • H...

I am looking for a skilled 3D artist who can create an extensive tutorial/course aimed at beginners. The course should be based on the game Dragon Ball Z Kakarot, specifically the fight scene between Young Goku and King Piccolo. Requirements: - I need the course to be at least 2-6 hours long or longer if needed. It should be detailed and cover all aspects of 3D modeling, animation, and VFX using Blender. - The course needs to be beginner-friendly, so please keep this in mind when designing the content and pace. - The aim is to recreate a specific scene from the game, so the course should include step-by-step instructions on how to achieve this.) Ideal Skills: - Proficiency in Blender - Strong understanding of 3D modeling, animation, and VFX - Experience in creating tutorials or c...

I have a digital circuit design in PDF format that I need converted into a Proteus Professional circuit diagram. This project only involves the conversion of the existing design into a circuit diagram within Proteus; no simulation or testing is required. Key Requirements: - Convert an existing digital circuit design in PDF format into a Proteus Professional circuit diagram. - Ensure that the circuit diagram accurately represents the original design. Ideal Freelancer: - Experienced with Proteus Professional software. - Proficient in digital circuit design. - Capable of accurately translating circuit design from PDF format to Proteus.

I need to provide Amazon assessment team with a detailed network diagram flowchart. I'm seeking an experienced network architect to help me create a detailed network architecture diagram flowchart that encompasses. 1) Network firewalls or access lists that limit networks that can connect to networks and zones which host client data 2) Restricted zones or subnets to isolate zones which handle client data 3) A specific "allow" list of clients that may connect to subnets hosting customer data (host to host ACLs) 4) restrict network interfaces on servers or workstations (Which process client data) from being connecting to more than one network at any time 5) encryption as well as data minimization when transferring data between tiers Key Requirements: - I...

I'm seeking to upgrade my existing 6.2 kW solar system. I need assistance with redesigning the system by adding four new panels. Additionally, I require the completion of the one-line diagram and approval from both a structural engineer and an electrical engineer.

I'm seeking experienced UML and OCL modelers to conceptualize my full system information and transcribe the model for the USE (.use) tool. Key tasks include: - Conceptualize the entire system model using UML and OCL - Transcribe the model for USE tool - Create necessary UML diagrams: Class Diagram, Use Case Diagram, Sequence Diagram Ideal skills would include expertise in UML, OCL, and system modeling. Familiarity with the USE tool is essential.

I need a minimal working example of PPPOS in IDF framework v4.4.7. The requeriments are: - Minimal example with SIM800L modem. - Create and configure esp_netif for PPP (create the driver, and task to receive data from modem and send to esp_netif) - Configure the modem via AT commands (PPP conection ATD*99#) - After succesfull connection, make a http request for testing. The most important thing: DO NOT USE esp_modem component. The example must do not use any component, simply the esp_netif API.

...talented designer to create a visually stunning, engaging, and informative page that highlights our distinctive vanilla cultivation and preparation process. The page should take viewers on an immersive journey through our vanilla's lifecycle, from the lush fields of Maroantsetra, Madagascar to the final crafting of our premium product. The designer should use the attached infographic, process flow diagram, and vanilla cut styling guide as visual references to creat our own infographic ou design steps shaping the page's content and design. These resources provide comprehensive details on our process, including key steps, techniques, timing, and quality control measures. Project Goal: The ultimate goal is to create a page that educates consumers on what makes our vanill...

...problem obtained from 4 practical task selection test. • Implement a recursive program to solve the given problem. • Analyze time complexity of the recursive program (brute force) and dynamic programming approach using Big O and Omega notations. • Implement a dynamic programming approach by defining a table to store previously calculated values and using them to compute the next value in the sequence. Write recursive solution. • Test both programs for different input sizes and compare their performance. Task 2: Parallelize the algorithms for the second and third recursive equations obtained from the 1 practical selection test, and also parallelize second and third algorithms obtained from the 4 practical task selection test. Ensure that the programs correc...

...the following purposes: 1. Introduce: A video to explain who we are as a business. 2. Listing Tutorial: A video illustrating how someone can list an item on our platform. 3. Hiring Tutorial: A video demonstrating how someone can easily hire an item through our platform. Key Project Requirements: - Motion Graphics: The videos should be created in a motion graphics style. - Length: Each video should ideally be 1-2 minutes long. - Script: I already have fully prepared scripts for each video, so the main task would be to bring these scripts to life. Ideal Skills and Experience: - Proven experience in creating high-quality explainer videos, especially in the motion graphics style. - Ability to work with and enhance fully prepared scripts. - Strong communication skills ...

...an ER diagram, relational schema, database dump, SQL files, and queries for a library database system. Requirements: - ER Diagram: An ER diagram is required with rationalities similar to the example provided in this link: - Relational Schema: Develop a relational schema that effectively models the database. - Database Dump: Provide a database dump for the system. - SQL Files and Queries: The project should include a set of SQL files and queries that effectively interact with the database. - Managerial Queries: Develop a minimum of 20 managerial queries that will be used to analyze and manage the library database. Deadline: This project must be completed by Monday. Ideal Skills: - Proficiency in database design and SQL - Experience with...

I have a couple of circuit diagrams that I need to have redrawn in Word format.

Necesito que alguien me haga una isla a traves de un tutorial que te explica paso a paso como se hace.

...One animation where they are all dancing around, and another where they all dance accross the screen in sequence. Key Requirements: - Dancing Animation: The animation should feature a dance movement, providing an engaging and lively loading experience. - Moderately Complex: While I'm not looking for a highly intricate animation, I do want the work to be more than just simple and minimalistic. The balance between complexity and performance is crucial. - Loading Screen Usage: The animation will be integrated into the app as part of the loading process. It should align with the app's overall design and story. Ideal Skills and Experience: - Experience in Lottie: Proficiency in working with the Lottie framework is essential for this project, ensuring the anim...

I'm looking to create a football skills improvement guide focusing on dribbling, shooting, and passing. The target audience is at an intermediate level of experience. Key Deliverables: - A comprehensive written guide that explains and demonstrates techniques related to the aforementioned fo...football skills - Tips and exercises designed to improve these skills - Clear and concise explanations that are accessible to an intermediate level audience Ideal Candidate: - Prior experience in playing or coaching football - Proven track record of creating educational content - Familiarity with football skills improvement techniques at an intermediate level - Excellent writing and communication skills in English Please note that I'm specifically looking for a written guide and n...

...a skilled Wix expert who can help me with some essential updates to my website. Specifically, I need to add a few new pages and enhance the overall functionality and navigation. Key Tasks: - Improving functionality/navigation: While the specifics weren't included, I'm open to suggestions and recommendations based on your experience. We are a 1 product store, with a recurring Monthly rental. We need to be able to add a flat shipping cost to our product. We need to add specific details to the transaction , such as : Date required and measurements on payment form Request for call back where they enter the date and time Return/refund request submission form A page to add product videos A members only page (after payment ) that gives access to tutorial ...

...to help create a variety of corporate videos and infographics for a Restaurant Wholesale Food Distributer App and website. Key Responsibilities: - Creating engaging promotional videos: I need visually appealing videos for Application advertising purposes. - Developing clear explainer videos: My business's products and services need to be clearly explained to my audience. - Crafting informative tutorial videos: These will guide my audience on using our products and services effectively. - Designing infographics: I also need relevant and visually appealing infographics to support my video content. - I need 6 Videos 30 seconds long. The ideal candidate should have: - Proven experience in creating corporate videos. - Solid understanding of graphic design principles. - Profici...

...from Linux in docker. I found two tutorials that explain how. Or I need a developer to go through each tutorial and see if you can run the wine gui environment from a docker. Then package that solution as a Docker image I can run locally on lubuntu 22.04. I would do it myself, but I don’t have much experience with docker Requirements: 1 Install balabolka in wine - 2 Install cli balalbolka “bconsole” 3 Install raveena voice https://www

...restricted to less then 1000 hz by hardware RC anti aliasing filter to avoid aliasing 3. Following Digital in sequence to be applied to raw signal . a. low pass filter 0-170 hzs ( to remove high frequency random / white noise b. High pass filter 1 hz to 400 hz (to remove low frequency dur DC signal coupling ) c. Very steep(narrow band) notch filter at 50 hz / 60 hz to remove power line interference a & b can be combined as band pass filter if possible also a , b & c can also be combines a single filter algorithm to obtain desired frequency response frequency response of all three signal enclosed 4. A 32 bit ARM processor of - 100 mhz / 186( mhz both option aval) with FPU & DSP instruction set will be used . b. processor program memory is 512 ...

I am seeking a talented video editor to edit programming tutorials on Javascript targeting beginner-intermediate levels. The project involves: - Editing raw footage to produce concise and engaging 10-25 minute tutorial videos - Revamping the content where required to make it easily understandable for beginners - Implementing graphical elements to clarify and highlight key points Ideal candidates should possess: - Experience in video editing, preferably with similar projects - Familiarity with Javascript to ensure accurate representation and explanation of concepts - The ability to creatively present complex information in a simplified and engaging manner.

...(see matrix explanation below). The first lap is different to the remaining 9 laps, you can work around this however you like but, please ensure you use the correct data. Furthermore, all the constants relating to the vehicle forces must be able to be changed directly from an excel file page called constants. To find the optimal solution you must use some sort of genetic algorithm (explained with flow diagram) that turns the motor on twice per lap to build up speed and then coast using the speed gained. Using the current velocity at a given point, the force of the motor is interpolated from a matrix [Vehicle velocity, Motor Force] found in the excel file. I can provide the maths for this as well but have not yet done it. Every next time step must be predicted using the Run...

...NFT transactions similar to the "Activity" feature on OpenSea The system should handle varying loads seamlessly, from 500 to 50,000 users. Tasks: System Architecture Design: Task: Design the overall architecture for the activity tracking system. Include considerations for data collection, storage, processing, and presentation. Deliverables: A system architecture diagram and a brief description of each component and its role. Backend: Task: Develop a prototype backend structure plan capable of receiving events from a blockchain network, processing them, and storing them in a scalable database system. Scalability Plan: Task: Outline a plan to ensure the system's scalability from day one. Address potential bottlenecks and describe how the system will handle hig...

I'm in need of an expert in creating engaging motion graphics videos. The job focuses on two main areas: producing clear, concise, and easy-to-follow tutorials and crafting appealing videos for the promotion of my brand. Key Responsibilities: - Develop compelling motion graphics for tutorials that are simple and engaging. - Design and produce high-quality promotional videos, oriented towards educating the audience about my services and benefits. Ideal Skills and Expertise: - Proficiency in motion graphics and animation. - Strong understanding of video creation and promotion. - Experience in making educational promotional content. - Ability to convey complex messages in a clear and concise manner.

I am in need of a UVM Python expert to assist with my project. Key tasks will involve: - Scripting to build UVM components from templates - Automation using Python, requiring a candidate with strong programming and automation skills. The ideal freelancer for this project will have expert-level experience with UVM Python, particularly in designing a verification environment. Demonstrated proficiency in creating sequences and sequence items, as well as implementing coverage and assertions, will also be highly favorable. I am looking for a freelancer who can efficiently troubleshoot, debug and optimize code for performance improvements. Understanding my project requirements, applying your expertise to solve the tasks at hand and delivering high-quality results ar...

I'm seeking a dedicated professional who is proficient in video editing to create a tutorial video. The main purpose of the video will be for tutorial purposes and it should follow a live-action style with an in-person demonstration. Although proficiency in any video editing software is acceptable, I welcome any freelancers who are adept at using software like Adobe Premiere Pro, Final Cut Pro, or Sony Vegas Pro. The ideal candidate for this job would possess: - Proven experience in video editing - Ability to shoot live-action sequences for tutorial purposes - The knack for adding innovative and creative elements to make the tutorial engaging. Only those with a portfolio showcasing similar past work will be considered. The final output sho...

...video creator who specializes in crafting tutorial videos. The sole focus of the videos will be on legal topics, breaking down complex legal concepts into understandable lessons for viewers. Each video should ideally span a length of 30 minutes, with attention paid to maintaining viewer engagement throughout. Key Responsibilities: - Create high-quality tutorial videos on legal topics - Ensure the video length is around 30 minutes - Break down complex legal subject matter into digestible content Ideal Skills and Experience: - Proven experience in video creation, particularly tutorials - Knowledge or interest in legal subject matter - Ability to engage viewers for extended periods Please provide examples of previous tutorial videos...

I'm looking for a skilled freelancer to develop a customized net worth spreadsheet. This spreadsheet should enable me to meticulously track my financial progr...financial tracking and net worth management is highly beneficial. - Understanding of stock market, investment tracking, and basic accounting principles is a plus. Delivery: - I expect the freelancer to deliver a comprehensive, error-free spreadsheet that meets the specified requirements. - The spreadsheet should be easily updatable and not reliant on external sources for data input. - A brief tutorial or guide on how to use the spreadsheet would be appreciated. Feel free to share any relevant work samples or experience you have in this area. I'm open to suggestions on how to improve the spreadsheet's fu...

...SQL table. Each line in the xls file corresponds to a delivery. The file has 15 columns. The column names are, in order: Shipment, Rush order, Mode of delivery, Drop sequence, PP number, Delivery date, Weight, Volume, Addressee, Name of addressee, Deliver address addressee, ZIP/postal Code, Delivery info, Number of cartons/units, Total ADR. The data is sorted using the “Mode of delivery” information, which allows deliveries to be grouped by truck. During the day's import, only lines with “Mode of delivery” information beginning with the letter Q should be imported. A SQL table will be created in the database. Each day, with each file sent, data will be added to the table. Key Responsibilities: - Develop a geocoding applicat...

...as it's currently causing slowdowns on the site. - Refactor: The code was initially created by someone with limited experience, so it needs to be refactored to follow best practices and be more efficient. - Review: The code needs a detailed review to identify and address any syntax errors or functionality issues. The main goal of this script is to create a slideshow from an image sequence. This slideshow is an integral part of the website's design and user experience, so the code must be functional, efficient, and fast. The current script works, but it's far from optimal. Skills and experience: - Strong background in JavaScript, particularly for website optimization - Experience with WordPress, particularly in customizing and refining existing scr...

please make diagram for me

I'm seeking a skilled developer capable of building an automated drip sequence in Word Press/Fluent CRM. The primary function will be to trigger actions for sending emails. Your responsibilities will entail: - Designing and developing an email focused automated drip sequence. - Ensuring the sequence can handle a frequent and varying email sending schedule. Ideal candidates should have: - Profound expertise in creating automated drip sequences. - A strong background in email-based marketing automation. - Knowledge in managing and operating complex email sending mechanisms. Your ability to provide a solution allowing for future enhancements or changes will be highly considered. Proven prior experience is a must.

I'm looking for a skilled web developer to create a platform where I can share my how-to videos and users can purchase access to them for a limited time. Once their access expires, they should not be able to view the tutorial anymore. Video must not be downloadable If you will require more than $200 please don’t bid. Lowest bid gets the work Key Features: - Video Hosting: Implement a secure and reliable way to host my video content on the website. - Limited-Time Access: Set up a system that allows users to purchase access to the videos for a specific period, after which their access will be revoked. - User Registration: Implement a simple user registration system that enables users to create accounts on the platform. - Payment Integration: Integrate Credit/Debit Cards ...

...engineer a sequence of mathematical operations based on user input, ultimately revealing specific playing cards with pre-determined ages and birth years. Key Features: User Input: Users will input a final large number and a chosen multiplier (1-10). Reverse Calculation: The app will perform reverse calculations to derive intermediate values and ultimately the user's birth year. Data Mapping: The app will map calculated results to corresponding birth years, ages, and specific playing cards. Deck Arrangement: The app will indicate the correct position of playing cards in a deck based on calculated results. Error Handling: The app should account for repeated results and provide clear instructions for handling these cases. Relevant Skills Required: Mobile App Developm...

I need a straightforward solution that allows users on both Windows 10 and 11 to download documents via either email or browser...tld/path/ Either the user should be asked where he wants to save the download file, or it is permanently saved in the settings. Ideally, well-known applications are used for file transfer, such as WinSCP, FileZilla or MS File Downloader. Your own suggestions are welcome. 1. Milestone: Setup as described above on a user PC via a TeamViewer session 2. Milestone: Creation of an easy-to-follow tutorial so that I or a user can carry out the installation on other user computers themselves. Skills: - Windows 10/11 administration - use and configuration of FTP clients Please propose a solution that can provide a smooth and comfortable user experience. Thank yo...

I am in need of a skilled AutoCAD professional to create 6 small, simple 2D diagrams, and 1 3D diagram. The drawings are for an engineering purpose and do not require any specific AutoCAD version. Key Requirements: - Create 6 small, simple 2D diagrams - Create 1 3D diagram - No specific AutoCAD version required Ideal Skills: - Proficiency in AutoCAD - Strong understanding of engineering diagrams - Ability to create 3D diagrams is a plus This is a straightforward task for an experienced AutoCAD professional. I look forward to seeing your bids.

...style, with a clean and simple aesthetic. Key Requirements: - Creation of AI-generated images for use in graphic design - Adherence to a minimalist style - Images must be of high-resolution and suitable for web use I need pink and black soft measuring tape added to each head as shown in the diagram i attached. The photo of the single head i attached with the tape measure around it is what i am aiming for uide on measuring your head for wig fitting, titled 'How to Measure' with a pink tape graphic above. Features six mannequin heads, each demonstrating a measurement technique: Circumference: Side view with tape around head above ears. Label below in black. Front to Nape: Side view with tape from forehead to neck's nape. Label ...

I'm after someone with strong video editing skills to create a video slideshow which will highlight personal moments in a montage style. Key elements of the project will include: - Assembling a sequence of video clips into a coherent whole - Applying transitions, effects, titles and other enhancements - Ensuring the final product is in synch with chosen music and other sound elements The perfect candidate is someone who has: - Extensive experience with video editing software - A flair for storytelling - Proven capability creating engaging, personal video montages If you're someone who prides themselves on creating heart-warming, personal video compilation that leaves lasting impressions, I'd love to hear from you.

I'm looking to have a structural diagram created for my composite deck. This project should include built-in seating capabilities within the design. The ideal candidate for this project should have experience with deck designs and be knowledgeable in creating functional, aesthetically pleasing deck spaces. Skills and experience ideally include, but are not limited to: - Architecture and Design - Structural Engineering - CAD expertise - Knowledge of composite deck materials and seating solutions Let's bring this outdoor oasis to life! Looking forward to your innovative deck designs!

I need an experienced Discord user to create detailed tutorials on getting started with the platform and managing servers. 1. Your tutorials should include the 10 topics i mentioned on the attached file. it's important all the tutorials are screen recorded and done by you i don't want get in trouble of copyright so all the work should be done by you. 2. all 10 videos should be up to 5 minutes and should cover the topic clearly - videos should not be rushed - quality of the videos should be high - Each tutorial should be a step-by-step walkthrough, including screenshots to help illustrate each point. - - Extensive experience with Discord and great communication skills are must-haves for this project. I look forward to seeing your proposals. 3....

...through the stages of subject selection, focusing specifically on portrait work, even in scenarios with messy hair. The final goal is to invert the mask to be able to work on the background. I would love to have a visual representation of the Photoshop panels included. Here are some of the specific requirements: - Techniques and tools should focus on Quick Selection tool, Refine Edge tool, and Refine Hair - Each step of the process must be clearly explained. Step-by-step written instructions with supportive visuals preferred. - All information must be concisely formed into a PDF document to be both user-friendly and convenient Freelancers with advanced proficiency in Photoshop, excellent tutorial formation, and instructional design are highly valued. Previ...

I have a UE file with an animated character and an environment. I need a UE expert to animate a second character, and set up an interactive environment where both characters can interact with simple movements and actions. Ideal Skills: - Excellent proficiency in Unreal Engine - Strong background in character animation - Experience with environment interaction setup in UE Details: - The project involves animating an additional character. This character will be tasked with collecting leaves and evading a monster within a time limit. If the monster captures the character, it triggers a chase sequence. - The level of interactivity with the environment is basic, limited to movement and a few key interactions, mainly collecting leaves and evading the m...

I need a mathematician to solve a number sequence and provide a formula so I can generate the next iteration of numbers as high as I can go.

I am looking for an experienced course creator to develop a comprehensive video tutorial focused on Microsoft Power Query. Key Features: - User-friendly interface - Capabilities to import data from various sources - Customizable course structure The ideal candidate should have the ability to break down complex concepts and make them easily understandable. The course content should cater to beginners and intermediate level learners. Course Duration: Each video course module should be crafted with the target of a total duration amounting to 3-4 hours. This could be composed of several shorter lessons or modules, for easy consumption and better learning experience. Required Skills: - Strong knowledge of Microsoft Power Query - Proven experience in creating video courses - ...

...step-by-step guides on installation, setup, usage, and troubleshooting, including important notes. Incorporate high-quality screenshots and tutorial videos to enhance understanding and engagement. Publish well-formatted, visually appealing articles on our WordPress-based blog. Requirements: Proven experience in tech blogging, specifically with software reviews, blockchain technology, or similar topics. Excellent English writing skills with the ability to create clear, concise, and engaging content. Technical proficiency with blockchain software and a strong understanding of its applications. Ability to produce high-quality screenshots and tutorial videos. Experience with WordPress and basic SEO principles. Strong research skills to ensure techn...

I am looking to collaborate with a skilled video editor who can help bring my YouTube channel to life specifically with entertaining and tutorial-based content. Here's what the job entails: - You will need to create animated videos that are longer than 10 minutes. Your creativity, knowledge and experience with animation will be particularly appreciated. - The videos should be engaging and fun, while always maintaining an educational component. - Given the length of these videos, you should be able to maintain the viewer's attention throughout. Ideal skills: - Proficiency in editing software including animation tools. - Prior experience in creating animated tutorial or entertainment videos, especially for YouTube. - A creative and imaginative...

I need a professional to create an ER diagram for a moderately complex database I'm designing. - This is specifically for database design purposes, using Chen notation. - The database structure I have in mind falls between 10-20 entities, so the ER diagram will need to reflect this level of complexity. - You should have in-depth experience with database design and ER diagramming, particularly using Chen notation. - The ER diagram should be clear, well-structured and accurately represent the relationships and entities within the database. - Previous experience with similar projects is a plus.

...in need of a talented video creator to produce a live-action demo tutorial for my platform. The intended audience for this tutorial are intermediate users, therefore the content should be both engaging and informative. Key Tasks: - Create an engaging live-action video: This video should demonstrate how to effectively utilize the booking process and user profile customization on our platform - Keep it intermediate-friendly: The content should be easy to follow for users who are somewhat familiar with the platform but are still learning its intricacies. Ideal Candidate: - Experienced video creator: You should have a strong portfolio of creating live-action demo videos for software or similar products. - Understanding of tutorial creation: Experience in creati...

In need of captivating explainer, tutorial and promotional videos. The videos should run between 1-3 minutes and primarily feature real-life footage. My priority will be working with someone who understands the balance between informational and persuasive content while capturing the essence of real-life scenarios. Skills and Experience: - Proven experience in creating explainer, tutorial, and promotional videos - Proficiency in real-life footage video production - Ability to convey complex information in a simple, easily understandable manner - Strong storytelling skills to maintain viewer engagement I look forward to your bids and viewing samples of your previous work that align with my needs. Let's connect to create engaging video content!

...patterns. The ideal candidate should understand these patterns strongly and have experience refactoring legacy code. Key Responsibilities: 1. Refactor Service Classes with DI Pattern: - Utilize Google Guice API to implement Dependency Injection across all service classes. - Ensure that all dependencies are injected and managed by the Guice framework. 2. Apply Listener Design Pattern: - Implement the Listener design pattern for the functionality specified in Requirement 7 of the original assignment. - Please make sure that the listener mechanism is properly integrated and functional. 3. Immutable Domain Objects with Builder Pattern: - Refactor domain object classes (e.g., books, videos) to be immutable. - Use the Builder design pattern to facilitate the...