Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Computational Thinking, Programming Principles, Python Programming, Software Installation, Algorithms, Computer Programming, Development Environment
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Closing (Sales), B2B Sales, Sales Presentation, Sales Process, Selling Techniques, General Sales Practices, Enterprise Sales, Customer Analysis, Verbal Communication Skills, Oral Expression, Business Communication, Adaptability, Communication, Decision Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Analysis, Data-Driven Decision-Making, Microsoft Excel, Analytics, Microsoft Power Platform, Business Analytics, Dashboard, Business Intelligence, Data Modeling, Market Analysis, Customer Analysis, Business Analysis, Market Intelligence, Star Schema, Data Manipulation, Key Performance Indicators (KPIs), Relational Databases
Beginner · Course · 1 - 4 Weeks

Coursera
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Jenkins, Test Script Development, CI/CD, Continuous Integration, Test Automation, Apache Maven, DevOps, Automation, Continuous Delivery, Systems Administration, JUnit, Devops Tools, Scripting, Browser Compatibility, Scalability, Distributed Computing, Git (Version Control System), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Data Lakes, Model Deployment, Google Cloud Platform, Feature Engineering, PySpark, Data Pipelines, Cloud Storage, Data Import/Export, Dataflow, Big Data, Apache Spark, Apache Hadoop, Dashboard, Data Architecture, Data Governance, Apache Kafka, Data Infrastructure, Tensorflow, Data Warehousing
Intermediate · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Web Scraping, Data Structures, Git (Version Control System), Generative AI, Version Control, Matplotlib, Devops Tools, Plotly, DevOps, Agile Methodology, Web Development, Data Ethics, Flask (Web Framework), Data Visualization, Scripting, GitHub, Debugging, Data Analysis, Automation, Cloud Computing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Transfer Learning, Convolutional Neural Networks, Deep Learning, Keras (Neural Network Library), Tensorflow, Artificial Neural Networks, PyTorch (Machine Learning Library), Image Analysis, Natural Language Processing, Computer Vision, Model Evaluation, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Generative AI, AI Workflows, Generative Model Architectures, Development Environment, Image Analysis, Model Evaluation, Performance Tuning, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Information Architecture, Intranet, Collaborative Software, Content Management Systems, Scalability, Maintainability, Responsive Web Design, Web Analytics and SEO, Web Development Tools, Front-End Web Development, Web Development
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Bayesian Statistics, Mathematical Theory & Analysis, Arithmetic, Advanced Mathematics, Deductive Reasoning
Beginner · Course · 1 - 3 Months