Java projects beginners jobs

I'm looking to expand my current portfolio and am interested in purchasing Java-based apps that are already on the Google Play Store. The types of apps I'm particularly involved in include games, utilities, and productivity software. - Types of Apps: Games, Utilities, Productivity - Type of Purchase: Both Individual apps and app bundles are welcomed. - Programming Language: Java-based apps only. For this project, an ideal freelancer would be proficient in app development using Java and has direct experience in uploading and maintaining apps on the Google Play Store. Any freelancers who already have ready-apps that meet the criteria would be preferred. Please include screenshots or links to your app/s available on the Play Store, along with your bid. Let&...

Dear Freelancers, I hope this message finds you in good health. I am representing KB Institute, and we are keen on collaborating with an experienced professional like you to develop a comprehensive Course on Computer Concepts (CCC) from scratch in Hindi. This course is intended for beginners who wish to grasp computing fundamentals. Course Overview: The CCC course aims to thoroughly understand computer concepts across three levels: Basic, Intermediate, and Advanced. The course structure will cover the following key topics: - Introduction to Computing: Basics of computers and their applications. - Operating Systems: Understanding different OS functionalities. - Word Processing: Essential skills in word processing software. - Spreadsheet Software: Data management and analysis usin...

I am seeking a beginner level Python developer with a knack for web development, data analysis, and scripting. The ideal candidate should have a good understanding and practical knowledge in: - Web development: Tasked with the development of usable, meaningful applications that will enhance user interactions and overall user experience. - Data analysis: ...to complex data problems. - Scripting: Equally, candidates should be adroit in writing, testing, and debugging codes—including modification of existing scripts. In terms of essential Python frameworks, knowledge and expertise encompassing Django and Flask is non-negotiable, as these will form the crux of most project tasks. This is a great opportunity for beginners seeking to expand their Python skills with practical, hand...

...expert career guidance in this sector. I come with a beginner's knowledge in the field of financial modelling; hence, I am looking forward to enhancing my proficiency. Key Requirements: - Strong knowledge and proficiency in financial modelling, equity research - Extensive experience in equity research jobs - Good teaching skills and career counselling track record - Proven ability to guide beginners through career transitions into equity research fields Ideal Candidate: - A professional in the equity research field - Strong skills in equity research - Excellent teaching abilities - Track record in successful career coaching Objectives: - Deepen my understanding of financial modelling and equity research - Obtain practical tips and coaching that will aid my transition ...

...involving it’s planning, controlling, and optimizing financial resources to ensure the successful completion of projects within budgetary constraints 6. Governance and change control: Assisted in the development of policies and procedures related to projects and programs with change control plans 7. Best Practices: Provided guidance on best practices in project management methodology across multiple business units 8. Team Management: Managed cross-functional teams responsible for successful completion of projects and programs according to scope, timeline, budget constraints and quality requirements 9. Standardization in Operations : Maintained a repository of all documents related to projects and programs such as financial records, technical specificati...

NOTE : this is for futures .. max budget is $300 *** please submit, only if you have worked on BOT projects for crypto exchange*** I'm seeking a skilled developer to create an automated trading system that can execute trades on the MEXC platform. Key Requirements: - Development of automated trading strategy: I have a specific trading strategy in mind that I would like to automate. You will need to work with me to understand and implement this strategy in the trading bot. - Automatic execution of trades: The system should be able to automatically execute trades based on predefined criteria. This will require seamless integration with the MEXC platform. Skills and Experience Required: - Strong knowledge of algorithmic trading and cryptocurrency markets - Proficiency in build...

I'm looking for a skilled and experienced freelancer to help me with a mobile app project that comprises both UI/UX design and Java Backend development. Key Requirements: - Proficient in UI Design: You'll need to create a sleek, intuitive, and user-friendly interface for a mobile platform. - Java Backend Development: The app needs to have a robust and efficient Java backend that can handle the expected load and ensure seamless functionality. - Mobile Platform Experience: You should be well-versed in mobile app development, ensuring the final product is optimized for mobile use. Specific Features: - User Authentication: The app will need a secure and reliable user authentication system. - In-App Purchases: You'll need to implement an in-app purchase sy...

I'm looking for an experienced Android developer to create an app that focuses on e-commerce and product management. Key Features: - Social Media Integration: The app needs to connect seamlessly with social media platforms. User Authentication: - The app sho...connect seamlessly with social media platforms. User Authentication: - The app should have a user authentication system. Users should be able to log in or sign up through their social media accounts. And google account Ideal Skills and Experience: - Proficient in Android development (java) - Experienced in integrating social media APIs. - Familiar with user authentication systems, especially social media login. google login Please include samples of your past work that demonstrate your experience with similar pro...

I'm in search of talented coders with a passion, education (may be self or collage etc.) with expertise in Python, Java, and C++ to help me develop a new software application for Windows. Key Project Details: - Programming Languages: Proficiency in Python, Java, and HTML is essential for this role. Your role will involve: - Working on the software development process from conception to final testing and deployment. - Ensuring that the application is optimized for all users and clients, considering the specific requirements and features of this platform. Ideal Skills and Experience: - Strong programming skills in Python, Java, and C++. - Proficiency in developing software applications for Windows. - Experience in creating software from scratch. Looking forward ...

I am working on a compiler construction project using ANTLR4+Java (using visitors to walk the abstract syntax tree and visit key nodes), and I need help with semantic analysis.

I'm seeking a proficient software engineer adept at Java, Python, and C++, who will assist me in website development. The core assignment entails creating a program specifically for WordPress, my preferred CMS. Ideal Skills and Experience: - Comprehensive Java, Python, and C++ knowledge - Previous experience with website development - Proficiency in WordPress CMS Your role will focus on developing a program tailored to my needs, emphasizing functionality and integration within the WordPress platform. It's essential to have a hands-on approach, be detail-oriented, and dedication to creating high-quality, reliable software. Applicants should show a portfolio or examples of previous related work. This will aid in understanding your process, style and skills that can ...

I'm the owner of Elevate AI Academy, a start-up focusing on teaching AI for beginners to small businesss and entrepreneurs. The brand image I want to convey is focused heavily on AI and futurism, to reflect the niche AI and mentoring industry I'm in. I am abouttotake itfrom in-person events to an online evergreen course. ? Welcome to Elevate AI Academy! ? We’re excited to embark on this journey with you, making Artificial Intelligence (AI) education accessible to small businesses and entrepreneurs like yourself! ? At Elevate AI Academy, we believe AI has the transformative power to revolutionise your work, creativity, and business growth. We understand that the AI world can seem daunting, especially for beginners. That's exactly why we're here! ? O...

...codecanyon projects. Indian, Pak, Bangla, Nepal, Nigeria devs are welcome. This project is not for teams and agents. Only for individual devs with average to good skills. Pay is according to working for a dev team, and not according to end client budgets, we know it, so bid only if you are okay working on below terms as it is same for all of us, all team members. Use our projects to monetise your extra 4 hours a day, which were otherwise not making you anything. Work includes : 1. rebranding projects 2. upgrading dependecies to latest (which will again be useful in future projects done on same script) 3. smoothen flow and bug fixes to ensure all functions work perfectly (usually required in first project done on a particular script, which will again be ...

In this project, will be developing an code to sense, share and control another application on a nearby node. The application can be mobile, web or desktop. The application is required to: 1. Sense a nearby node. When a node comes within the communication range and also when it moves out from this range. An indication should be there when a node is sensed or moved away. 2. Share some content. It can be some message, file, chat etc. 3. Control minimum one feature of the remote node e.g., volume, brightness, wallpaper etc.

I am looking for an expert who could develop an extensive video course aimed at new dog owners centered around puppy training. Preferably, someone who has a deep understanding of puppy's be...extensive video course aimed at new dog owners centered around puppy training. Preferably, someone who has a deep understanding of puppy's behavior, obedience, and training techniques. The video course must be: - Comprehensive and easy-to-understand - Booked with informative content, techniques, and tips The final product must: - Be a downloadable file - Be thorough but also designed for beginners Ideal candidate will have: - Extensive knowledge in dog training, especially in puppy training - Background in creating educational courses or materials - Excellent communication and ...

...filtering of the list of processes. 5. Detailed view of specific process information. 6. Temporary storage of uploaded files in the browser. 7. Functionality to delete data being processed and start a new analysis. 8. Automatic process to delete old records from the database. 9. Recording of deletions for audit and regulatory compliance purposes. Technical Requirements: - Development in Java, NodeJs, or Python languages. - Implementation of API for file processing and database access. - Data storage in a database. - Data security and encryption. Expected Deliverables: - Complete development of the Colombia Rama Judicial file analysis system. - Implementation of user interface and specified functionalities. - Exhaustive testing to ensure the quality and accuracy...

...results were obtained, or if the source was unavailable. 5. Executor Function: There should be a function that executes all the sources that were queried and returns a PDF file as in Annex 1. Technical Requirements: • Experience in the development of automated query systems and data processing from external sources. • Knowledge in APIs, web scraping, and web page reengineering processes. Must use Java, NodeJs, or Python. • Ability to structure data efficiently and accurately. • Ability to generate detailed logs of queries and results. • The solution must include the necessary files and documentation to deploy each connector or integrator separately as AWS Lambda functions, Docker containers, or any Serverless service in AWS or GCP. Expected Deliverable...

I am in search of a professional coder with proficiency in a variety of programming languages to assist me in several ongoing and upcoming projects. The nature of the tasks may vary from website development to application development and data analysis. I need a versatile individual who can adapt to different project requirements and deliver high-quality results. The key functionalities and features required for these tasks may include user authentication, database integration, and payment processing. Ideal candidates should possess: - Strong coding skills in Python, Java, and JavaScript - Experience in website development, application development, and data analysis - Proficiency in user authentication, database integration, and payment processing - Ability to deliver high...

I am in need of an Android app developer to create a minimalist style application. There will be no need for incorporating in-app purchases. This is a university project, but due to busy schedule I couldn't complete it. I have a deadline until 2 weeks(May 27 2024). The users of the app are Students and recruiters. It needs to be developed from Java language and Firebase as data base language(recommended) for storing any data. The app should only have following features, and no other graphics or extra designing is required. students can:  Browse and search for job opportunities posted by various companies.  Apply for jobs and upload their resumes and other documents.  Schedule and attend online interviews and tests.  Track their application status and receive feedbac...

I am seeking a skilled programmer who can create an intelligent BOT that's able to traverse my google spreadsheet and scrutinize incoming leads based on their EPC status. The main functionalities requir...simultaneously check their EPC statuses. - Highlighting Matches: In case a lead matches the EPC status I am in search for, the BOT should distinctly highlight the respective row in the spreadsheet. - Segregating Non-Matches: The BOT should be capable of moving the leads that do not match the desired EPC status to a separate section in the spreadsheet. Ideal skills for this job would be advanced Python or Java programming capabilities, extensive experience with google spreadsheets, and familiarity with EPC checks. A structured and methodical approach to problem-solving is ...

I need a seasoned Java developer with a strong background in utilizing NetBeans 8.1 and Derby Database. The primary task would be to improve the performance of an existing Java application. Key Requirements: - Expertise in Java and NetBeans 8.1 is essential. - Familiarity with Derby Database and how to optimize its use. - Proven track record in enhancing application performance. - Ability to identify and address performance bottlenecks in the system. Performance Improvement: - The main area of improvement is managing data processing speed. - Analyze the application for possible performance improvements and suggest appropriate solutions. Please note, the client has not specified details about user interface responsiveness or server-side operations. Thus, the focus ...

...comprehensive curriculum covering fundamental Python programming concepts. - Conduct engaging and interactive online tutoring sessions for the group. - Provide clear explanations and examples to facilitate understanding. - Offer assistance with coding exercises and assignments. Requirements: - Proficiency in Python programming language. - Previous experience in tutoring or teaching Python to beginners. - Strong communication and interpersonal skills. - Fluent in French, as the sessions will be conducted in French. - Reliable internet connection and access to video conferencing tools for the online sessions. - Ability to create a structured learning environment conducive to learning and retention. Duration: 15 days, with four sessions scheduled throughout the period. We look for...

I'm looking for an experienced coder in Java programming language for my institute who can teach students Java from basic to advance level. Key Requirements: - Proficiency in Java programming - Experience in developing software projects - Knowledge of coding practices and methodologies - Solid understanding and application of algorithm design Your role will be to teach students Java and make them proficient to build projects. This is going to be an offline projects in Nagpur, Maharashtra. Please include in your bid any relevant experience you have in developing software prototypes in Java.

I am in need of an experienced app developer to create an Android educational app with user acco...to make learning content engaging and interactive on a mobile platform. - User accounts are a key part of this project, as I want users to have personalized experiences and be able to track their progress. You should be able to design and implement a user account system with profiles and login functionalities. - Experience with Android app development is essential. You should be comfortable with Java and/or Kotlin, as well as the Android SDK. A good understanding of Material Design principles will be a big plus. Please provide examples of previous apps you've developed, especially if they are educational. Your ability to create a user-friendly interface and a smooth user experie...

I'm in need of an experienced art instructor to conduct a beginner-level Acrylic painting class. Key Requirements: - The focus of this class is on Acrylic painting. - The class will involve 45 participants, all of whom are beginners in painting. - The class will provide all necessary materials, so participants will not need to bring anything with them. Ideal Freelancer: - Experience in teaching beginner-level painting classes - Proficient in Acrylic painting and its techniques - Excellent communication skills for instruction - Ability to manage a large group of participants effectively - Passion for and knowledge of art and painting Please provide details on your experience in instructing beginner-level acrylic painting classes and how you plan to engage a large class.

Need some to program me a small function in this sdk to add RFID verification & then open gate for the user using following SDK.

I'm looking for a professiona...looking for a professional who can create beginner-friendly video tutorials on Ethereum trading. Key Points: - Platform: The tutorial will focus solely on Ethereum trading, so a deep understanding of this cryptocurrency is essential. - Level: The target audience for the videos are beginners, so the content should be clear, concise, and easy to follow. Ideal Skills and Experience: - Strong knowledge of Ethereum and the crypto trading world. - Experience in creating educational content, particularly for beginners. - Excellent communication and presentation skills for conveying complex concepts in a simple, engaging manner. If you have a knack for explaining things and want to help aspiring crypto traders get a strong start, then I�...

Hello, I'm looking for a programmer for my project. C++ and possibly Java experience. I have already programmed my idea as a demo version in HTML on my website, now I need someone to implement it as software. In the future, the whole thing will be programmed on a screen including a touch screen, so that we have a finished device including a screen and buttons. Since this is a prototype and I need more versions, a permanent collaboration would be possible. I look forward to your offers. Best regards

I'm seeking an experienced full stack Java developer to help enhance an existing application. This project requires a professional with a diverse skill set across front-end, back-end development, and database management. Key Responsibilities: - Enhance the application with new features and improvements - Optimize front-end elements for maximum speed and scalability - Design and implement secure, efficient, and scalable back-end solutions - Ensure the application's database is well-managed and optimized - Participate in the development of healthcare/business related applications. - Work with Product Owners and teams to drive features and specifications, architecture design, implementation, and other software development responsibilities. - Works closely with in-house UX te...

I'm searching for a skilled development team...Live Betting: The website should offer live betting options. Users should be able to place bets while games are ongoing. - The live betting functionality should be seamless, with minimal lag, to ensure the best possible user experience. Ideal Skills and Experience: - Prior experience in developing betting websites is highly desirable. - Proficiency in relevant programming languages like Python, Java, or PHP. - Good understanding of web security practices and measures. - Experience in creating user-friendly interfaces for online platforms. Please note, the project does not currently require support for casino games or fantasy sports, though the flexibility to add these features in the future would be beneficial. Reference - D...

I need a tutor to guide me on how to record high-quality content for In...right angles for better and more engaging content. - Editing Techniques: Show me the basics of video editing and how to use my IPHONE for the best possible outcome. Ideal Candidate: - Proven experience in creating audio and video content for social media platforms. - Extensive knowledge of lighting, sound quality, camera angles & editing techniques. - Excellent teaching skills especially for beginners. - Familiarity with recording on a smartphone, using Rode condenser microphone, Focusrite & Ableton Live, and understanding of IPHONE for video editing. I expect this to be an interactive process where I will be guided on the best practices and industry standards. Please include samples of your work rel...

I'm looking for a video editor who can help me create short, engaging edits from various raw footage I'll provide. Key requirements: - Adept at creating short edits: I'm looking for someone who can condense video content effectively without losing its essence. - Familiarity with different video types: The raw footage I'll provide spans diverse categories, from wedding videos to corporate shoots. Experience editing a variety of content is highly valued. - Flexible with project timelines: I haven't set a specific duration for each edited video yet, as I'd like the bidders to suggest what they believe is suitable. I'll provide all the raw video footage for editing. I'm looking for someone who can collaborate with me to bring out the best in each v...

I'm seeking a skillful programmer to develop a comprehensive Data Encryption Standard program using Java. Key Project Details: - The program should strictly adhere to the Data Encryption Standard algorithm.

I'm looking for a simple application where I'm going to use as a framework to grow functionalities on it. - It must be on React native (NOT expo) - java script code - Work in android initially (ios in the future) - Organized modular code (NFC calls, API calls etc) - You must provide instructions on how to create the dev environment - All code will be shared, without restrictions - It must have 3 screens - Login screen - which will authenticate to a backend I will provide - Then a main screen with 2 subscreens - Card read - read content of a NFC card - Configuration screen - to read/write some params from the API - And some other parameters like the URL to call, persisted locally on the phone Ideal Candidate: - Experienced in React Native developm...

...the realm of sports betting and gambling. With your knowledge and superior writing skills, I'm seeking an array of captivating articles that can engage the beginners in this field. Your proposed bid should include: - Proven experience in writing about sports betting strategies and responsible gambling, supported by published examples. - An exceptional command of the English language and a knack for creative writing. - Proficiency in working according to task requirements and deadlines. The project will entail: - Scripting over 100 articles covering sports betting strategies and responsible gambling. - Tailoring the content to beginners in the world of sports betting. - A transparent declaration of your price per 100 words. Only those with relevant expertise in th...

I'm looking for a Java expert who can help me with some tasks related to Java programming. This includes Intellij and Maven. And you must have expertise on 'Java patterns' and 'Java swing' I will share more details over chat. Thanks!

Currently, I am at the beginner's level and seeking a dedicated and passionate Spanish tutor who can efficiently cover the specific areas of vocabulary and conversation. My schedule is adaptable, thereby welcoming tutoring sessions on any day. - 2 hrs/day minimum, for about 200 hrs total -A native speaker from Mexico is preferred - Lesson Focus: I want the l...the specific areas of vocabulary and conversation. My schedule is adaptable, thereby welcoming tutoring sessions on any day. - 2 hrs/day minimum, for about 200 hrs total -A native speaker from Mexico is preferred - Lesson Focus: I want the lessons to be concentrated on expanding my vocabulary and practical conversation in Spanish. - Experience: Tutoring experience, especially with beginners, is hi...

I'm in need of a skilled developer to create a Java-based EPP interface for the IN Registry that will allow various domain functions to be carried out seamlessly. - **Domain Name Registration**: The interface should be capable of handling the registration process end-to-end. This includes: - The provision of a registration form that allows users to input necessary information for domain registration. - Implementation of a domain availability checker to ensure the desired domain is free for registration. - Enabling DNS management facilities to allow for efficient domain configuration. - **Domain Name Transfer**: The interface should facilitate smooth domain transfers. It should incorporate: - Mechanisms for generating and validating transfer authorization codes. - A ...

I'm looking for a Java expert who can help me with some tasks related to Java programming. This includes: - Debugging and fixing the existing Java code - Optimizing the performance of the existing Java code I will share more details over chat. Thanks!

I'm in need of a developer skilled in Java 8 to create a Cformatter that's capable of processing both .c and .cpp files. It's essential that the formatter follows the Allman style conventions. Prior experience developing formatters is highly preferred. Key Requirements: - Strong Proficiency in Java 8 - Familiarity with Allman Style conventions - Ability to build a formatter that processes both .c and .cpp files - Prior experience in developing similar applications. An understanding of C and C++ can be beneficial. Expectations include clean, efficient code and timely delivery.

My project requires an experienced Java SpringBoot developer with a strong understanding of Kafka for asynchronous communication. The ideal candidate should also have: - Proficiency in building and managing REST APIs, focusing on CRUD operations - Ability to integrate with external APIs and service data repository calls - Expertise in crafting and handling SQL queries, preparing for moderate traffic and frequent daily queries - Competence in setting up batch schedulers - Proficiency in sending email notifications This project offers an excellent opportunity to apply and enhance your Java SpringBoot and Kafka skills.

I'm in need of a skilled software developer, experienced in SpringBoot in Java programming. The primary task is to build a web-based tool that will run as a desktop application specifically on macOS. Key tasks include: - Implementing REST APIs - Integrating external APIs, specifically desktop application APIs - Building a scheduler for email notifications using cron jobs - Configuring batch process tasks Ideal candidate should be proficient in: - Java programming - SpringBoot framework - REST API development - Experience with desktop application APIs This is a great opportunity for a developer looking to work on a challenging and rewarding project.

I need a Java program I have an IP Segment Eg The program must scan the List of IP Addresses available using ping/any other method The program must scan all IP address for the open Ports each one is accepting packet request. I want a java program to create multiple different types of requests to the IP address on the specified port. The program should create the request to respond to some other IP. The goal of the program is to test the capacity of the IP address with Maximum requests it can handle.

I urgently require a Java proficient developer for an HRSD project. There's not clarity yet on the type of application or the main objective of the task as that was skipped during briefing. It's essential the developer isn't only skilled in Java but can help define project direction as well. Ideal skills and experience needed for the job include but are not limited to: - Expertise in Java development. - Prior experience in HRSD projects. - Capacity to define and influence project direction. - Good communication skills to report on project progress effectively.

...flexible enough to handle tasks necessary for various ongoing projects. We did not specify the operating system, task, or design type in our initial description, which means we need someone who can easily adapt to various situations and handle tasks efficiently, regardless the parameters. - Skills & Qualifications * Proficient in QT/QML * Can handle different tasks including but not limited to user interface design, data visualization, and database integration * Able to develop compatible software for Raspberry Pi, Windows, and Mac platforms * Familiar with various design preferences ranging from minimalistic to custom We look forward to finding an adaptable and skilled professional who can grow with us as our projects evolve. We appreciate your interest i...

I am seeking an eligible developer to build a high-fidelity prototype for an Android app using Kotlin, Java and Jetpack Compose. Key features I anticipate in the app include: - Writing unit tests to validate the code for ensuring smooth app functionality. The developer must work on a predefined design, fully functional prototype reflecting the actual app. I am interested in developers who have experience in Android development particularly with Kotlin, Java, and Jetpack Compose. Knowledge of unit testing is necessary.

...Develop an admin panel for managing user accounts, loans, payments, and app settings. Promotions: Integrate promotional features to offer discounts, rewards, or incentives for timely repayments or referrals. Chat Functionality: Enable chat functionality for users to communicate with customer support agents or other users within the app. Technical Requirements: Platform: Android Programming Language: Java or Kotlin Development Tools: Android Studio APIs: Integration with payment gateways, KYC verification services, and backend services for loan account management. Security: Implement robust security measures to protect users' financial information, personal data, and ensure data privacy. Deliverables: Fully functional Android app with the specified features and functionalit...

I'm currently seeking a seasoned coding instructor who can cater to advanced students. The syllabus should encompass Python, JavaScript, and Java - the three languages that need proficiency in. A central part of the teaching approach should be focused on: - Imbuing advanced techniques and methodologies - Acquiring a comprehensive understanding of all three languages - Fostering independent learning and debugging capabilities Successful candidates ideally should have: - Prior experience as a coding teacher - Proficiency in Python, JavaScript, and Java - Proven track record with advanced students.

I'm looking for a skilled developer who can help me implement a geolocation control feature in ...and unchanged, while all geolocation-related checks and functionality are performed simply and centrally in the mobile app. If you read my need, you will find the exact way I want this modification, which makes it a simple change that does not affect the original logic of the code. I need a fair quote based on my needs. I included documentation because I know the code and its structure. I'm a Java developer and have a basic understanding of Flutter. If you haven't read my need yet, please go back and read it. Don't give me a quote without at least considering what I need. I need the app to also be posted on the Apple Store, I don't have a Mac Book, on Googl...

...beneficial for this project. Knowledge of secure payment gateways is crucial to ensure secure transactions within the system. Proficiency in developing dynamic and user-friendly interfaces is essential for the user accounts' feature. Your expertise will help us deliver a reliable and secure platform for currency exchange. Se requiere un sistema de escritorio que realice la funcion de cambio de dolares en JAVA con conexion a base de datos mysql , donde tenga un login de inicio de sesion y registro de usuario, modulos de deposito de dinero a traves de tarjeta de credito y retiro a través de cuenta bancaria , modulo de cambio de dolares , donde muestre siempre el saldo actualizado, modulo de transacciones , donde se visualice todas las es para un trabajo de universidad ...