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.

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Public Key Cryptography Standards (PKCS), Data Structures, Applied Mathematics, Logical Reasoning, Deductive Reasoning
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Creation, Video Production, Performance Analysis, Social Media Content, Content Development and Management, Web Content, Video Editing, Performance Measurement, Post-Production, Performance Improvement, Graphic and Visual Design, Key Performance Indicators (KPIs), Workflow Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Python Programming
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Vibe coding, Responsible AI, Data Analysis, Artificial Intelligence, Generative AI, Brainstorming, Business Communication, Data Visualization, Simulation and Simulation Software, Research, Business Modeling, Presentations, Content Creation, Project Management, Machine Learning, Planning
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Deployment, Model Deployment, Cloud Computing, AI Enablement, Computer Architecture, Hardware Architecture, Performance Tuning, Artificial Intelligence, Systems Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Data Governance, Data Management, Data Modeling, Data Integration, Personally Identifiable Information, Data Security, Data Quality, Data Compilation, Data Processing, Data Literacy, Data Presentation, Docker (Software), Application Programming Interface (API), Application Lifecycle Management, Scalability
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Data Pipelines, Distributed Computing, Big Data, Apache Hive, Data Processing, Data Storage Technologies, Data Storage, Scikit Learn (Machine Learning Library), Predictive Modeling, Scalability, Data Management, Data Science, Data Transformation, Information Technology, Data Analysis, Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Feature Engineering, PySpark, Data Import/Export, Big Data, Apache Spark, Dashboard, Data Architecture, Data Governance, Apache Kafka, Cloud Deployment, Apache Hadoop, Metadata Management, Data Storage, Apache Hive, Application Programming Interface (API), Data Quality, Data Cleansing, Applied Machine Learning, Cloud Services
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Intermediate · Specialization · 1 - 3 Months

Meta
Skills you'll gain: Django (Web Framework), Web Development, Web Servers, Web Applications, Data Modeling, Back-End Web Development, MySQL, Application Security, Database Development, Model View Controller, Object-Relational Mapping, Application Frameworks, Database Management, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vision Transformer (ViT), Transfer Learning, Recurrent Neural Networks (RNNs), Embeddings, Large Language Modeling, Artificial Neural Networks, PyTorch (Machine Learning Library), Deep Learning, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Distributed Computing, Performance Tuning, Scalability, Computer Vision
Intermediate · Course · 1 - 4 Weeks