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.

Skills you'll gain: Self-Awareness, Innovation, Personal Development, Social Impact, Sustainable Development, Empowerment, Entrepreneurship, Action Oriented, Creative Problem-Solving, Community Development, Visionary, Proactivity, Corporate Sustainability, Goal Setting, Adaptability, Planning, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Test Case, Software Quality Assurance, Business Logic, Back-End Web Development, Integration Testing, Software Engineering, Java Programming, Java
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Community Health, Public Health, Health Disparities, Health Promotion, Health Assessment, Social Determinants Of Health, Epidemiology, Health Policy, Health Systems, Data Collection, Preventative Care
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cyber Security Assessment, Security Testing, Threat Detection, Cybersecurity, Cyber Threat Intelligence, Cyber Threat Hunting, Cyber Operations, Cyber Security Strategy, Cyber Attacks, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Six Sigma Methodology, Lean Methodologies, Operational Excellence, Process Improvement, Stakeholder Management, Quality Improvement, Quality Management, Organizational Strategy, Continuous Improvement Process, Process Analysis, Root Cause Analysis, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Branding, Content Creation, Target Audience, Presentations, Customer Engagement, Social Media Content, Brand Awareness, Creativity, Social Media, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Governance, Data Strategy, Data Management, Data Modeling, Data Quality, Data Literacy, Data Integration, Metadata Management, Data Transformation, Data-Driven Decision-Making, Taxonomy, Business Priorities, Data Pipelines, Sprint Retrospectives, Process Improvement, Sprint Planning
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Information Systems, Database Software, Database Systems, Database Design, Information Management, Data Modeling, Diagram Design, Relational Databases, Database Management, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, AI Workflows, AI Orchestration, OpenAI, LLM Application, Generative AI Agents, Embeddings, Cloud Deployment, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Tool Calling, ChatGPT, Artificial Intelligence, Vector Databases, Agentic systems, Prompt Engineering, Application Programming Interface (API), Responsible AI
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Data Modeling, Dashboard, Data Transformation, Data Import/Export, Data Manipulation, Data Literacy, Database Design, Interactive Data Visualization, Data Processing, Big Data, Business Intelligence, Data Integration, Star Schema, Time Series Analysis and Forecasting, Data Visualization Software, Data Cleansing, Trend Analysis
Beginner · Specialization · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Student-Centred Learning, Instructional Strategies, Education and Training, Adult Learning Principles, Community Organizing, Community Development, Social Justice, Student Engagement, Diversity Equity and Inclusion Initiatives, Driving engagement, Time Management
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Requirements Analysis, System Requirements, Technical Documentation, Technical Writing, Data Modeling, Systems Analysis
Beginner · Course · 1 - 3 Months