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.

University of Colorado Boulder
Skills you'll gain: Teamwork, Conflict Management, Collaboration, Diversity Awareness, Team Collaboration, Decision Making, Collaborative Software, Interpersonal Communications, Social Skills, Workplace inclusivity, Cultural Diversity, Communication Strategies, Innovation, Communication, Culture, Digital Communications
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Requirements Elicitation, Ad Hoc Reporting, Data Presentation, Data Governance, Data Ethics, Tableau Software, Business Analysis, Data Literacy, Data Visualization, Data Preprocessing, Plot (Graphics), Business Analysis Tools, Data Visualization Software, Data Warehousing, Business Metrics, Data Analysis, Spatial Data Analysis, Data Management
★ 4.7 (1.2K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Technical Analysis, No-Code Development, Market Data, Data Visualization, Financial Trading, Product Automation, User Accounts, Financial Data, Back-End Web Development, Securities Trading, Data Visualization Software, Authentications, Data Integration, Market Trend, AI Integrations, Security Management, Front-End Web Development
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Sustainable Business, Sustainable Design, Sustainable Development, Sustainable Systems, Corporate Sustainability, Environment and Resource Management, Strategic Sourcing, Materials Management, Business Modeling, Reverse Logistics, Supply Management, Drive Engagement, Environmental Issue, Social Impact, Environmental Policy, Resource Utilization, Business Analysis, Innovation, Stakeholder Engagement, Policy Analysis
★ 4.8 (2.1K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: OAuth, Unit Testing, Apache Airflow, Fine-tuning, Model Evaluation, Data Validation, API Design, Test Driven Development (TDD), Data Integrity, Extract, Transform, Load, Multimodal Prompts, Natural Language Processing, MLOps (Machine Learning Operations), OpenAI API, Data Presentation, Hugging Face, Token Optimization, LLM Application, CI/CD, Tensorflow
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Color Theory, Creativity, Layout Design, Journals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Store, Data Architecture, Data Pipelines, Big Data, Data Storage Technologies, Data Storage, Relational Databases, Data Infrastructure, Data Integration, Apache Hadoop, Data Warehousing, Databases, Data Lakes, SQL, Data Governance, Database Design, Apache Spark, NoSQL, Data Science
★ 4.7 (3.6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Reporting, Data Presentation, Report Writing, Financial Reporting, Data Visualization, Concision, Data Storytelling, Data Visualization Software, Presentations, Storytelling, Communication, Graphing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, Salesforce, AI Integrations, AI Orchestration, Agentic Workflows, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Campaign Management, Content Performance Analysis, Workflow Management, Coordinating, Operational Efficiency, Campaign Planning, Timelines, Coordination, Content Scheduling, Performance Analysis, Collaborative Software, Asset Management, Digital Marketing Tools, Process Management, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Responsible AI, Data Ethics, Model Training, Model Deployment, Technical Design, Prompt Engineering, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Technical Communication, Communication, AI Workflows, MLOps (Machine Learning Operations), LLM Application, Apache Airflow, System Design and Implementation, Python Programming, CI/CD, SQL, AWS CloudFormation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Performance Metric, Performance Measurement, Failure Analysis
Intermediate · Course · 1 - 4 Weeks