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.

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Storage Technologies, Cloud Storage, Google Cloud Platform, Data Management, Cloud Management, Unix Shell
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Animation and Game Design, Git (Version Control System), GitHub, Android (Operating System), Android Development, Unity Engine, Animations, Software Versioning, C# (Programming Language), User Interface (UI), Video Game Development, Mobile Development, Scripting, Application Deployment, Scripting Languages, C and C++, Code Reusability, Game Design, 3D Assets, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, AI Security, Data Ethics, AI Integrations, Telehealth, Health Technology, Generative AI, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Ethics, Regulatory Compliance, Health Care Procedure and Regulation, Security Strategy, Medical Privacy, AI Workflows, Data Security, Analysis, Risk Analysis, Innovation, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, CrewAI, Prompt Engineering, AI Orchestration, Context Engineering, Agentic Workflows, Model Context Protocol, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Role-Based Access Control (RBAC), AI Security, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Large Language Modeling, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence, Prompt Patterns
Intermediate · Specialization · 1 - 3 Months

The Open University
Skills you'll gain: Sustainable Business, Systems Thinking, Sustainable Development, Corporate Sustainability, Sustainable Systems, Stakeholder Analysis, Business Systems Analysis, Business Transformation, Systems Analysis, Stakeholder Engagement, Complex Problem Solving, Problem Solving, Interviewing Skills
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Presentation, Regional Sales, Selling Techniques, Presentations, Sales Process, Influencing, Persuasive Communication, Intercultural Competence, Virtual Teams, Storytelling, Language Interpretation, Translation, and Studies, Sales Pipelines, Collaborative Software, Collaboration, Customer Relationship Management (CRM) Software, Stakeholder Management, Strategic Communication, Cross-Functional Collaboration, Customer Engagement, AI literacy
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, AI Orchestration, Salesforce Development, Salesforce, Agentic Workflows, Force.com, Generative AI Agents, AI Integrations, Agentic systems, Coordination, Application Lifecycle Management, Generative AI, Software Testing, Performance Testing, Enterprise Architecture, Data Integration, Data Architecture, Model Evaluation
Intermediate · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Data Transformation, Data Literacy, Engineering Management, Data-Driven Decision-Making, Computational Thinking, Exploratory Data Analysis, Capacity Planning, Capacity Management, Decision Making, Data Warehousing, Decision Intelligence, Data Strategy, Data Lakes, Complex Problem Solving, Design Thinking, Unstructured Data, Data Governance, Data Access, Process Improvement, Data Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Amazon Redshift, AWS Identity and Access Management (IAM), AWS SageMaker, Amazon Web Services, AWS Kinesis, Amazon DynamoDB, Identity and Access Management, Amazon S3, Encryption, Data Infrastructure, Data Pipelines, Apache Spark, Dataflow, Big Data, Apache Hive, Data Storage Technologies, Kibana, Data Visualization Software, Data Storage, Data Visualization
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Graphical Tools, Design, Graphic and Visual Design Software, Creative Design, Branding, Visual Storytelling, Graphic and Visual Design, Graphic Design, Brand Strategy, Shared Media, Brand Management, Account Management, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Feature Engineering, Model Evaluation, Model Deployment, Fine-tuning, Data Preprocessing, Model Training, Deep Learning, Machine Learning Methods, Model Optimization, Scikit Learn (Machine Learning Library), PyTorch (Machine Learning Library), Scalability, Hugging Face, Docker (Software), Supervised Learning, Machine Learning Algorithms, MLOps (Machine Learning Operations), Applied Machine Learning, Software Development, Machine Learning
Intermediate · Specialization · 1 - 3 Months