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 System
Skills you'll gain: Conflict Management, Workplace inclusivity, Team Management, Team Performance Management, Personal Development, Diversity Awareness, Team Collaboration, Team Oriented, Self-Awareness, Adaptability, Verbal Communication Skills, Culture, Relationship Management, Influencing, Relationship Building, Curiosity, Coordinating
★ 5 (6) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Database Management, Database Architecture and Administration, Apache Hadoop, Database Theory, Query Languages, Database Management Systems, Big Data, Databases, SQL, Data Access, Distributed Computing, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Talent Recruitment, Recruitment, Employee Onboarding, Talent Acquisition, Recruitment Strategies, Human Resources Management and Planning, Talent Sourcing, HR Tech, New Hire Orientations, Job Evaluation, People Analytics, Human Resources, Interviewing Skills, Process Design
★ 4.5 (8) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Application Frameworks, Web Applications, Context Management, Software Architecture, Application Development, Data Validation, Data Mapping
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Storytelling, Content Development and Management, Content Strategy, AI powered creativity, ChatGPT, Prompt Engineering, Content Creation, Content Marketing, Driving engagement, Social Media Content, Target Audience, Persona Development, AI literacy, User Research, Problem Solving, Brainstorming, Ideation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Spring Framework, Cloud-Native Computing, Software Architecture, Microservices, Spring Boot, Cloud Applications, Software Design Patterns, Event-Driven Programming, Java Programming, Restful API, Performance Tuning, MongoDB, Application Programming Interface (API), Web Applications, Scalability, Functional Design, Resilience, Integration Testing, Performance Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Active Listening, Tactfulness, Verbal Communication Skills, Interpersonal Communications, Constructive Feedback, Communication Strategies, Empathy, Diversity and Inclusion, Conflict Management, Diversity Awareness, Advocacy, Communication, Emotional Intelligence, Composure, Peer Review, Expectation Management, Collaboration, Interactive Learning, Performance Review, Relationship Building
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Presentations, Graphic Design, Data Visualization, Social Media, Marketing Materials, Social Media Marketing, Content Creation, Marketing Design, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Requirements Analysis, Generative AI, Functional Specification, Software Documentation, Prompt Engineering, User Requirements Documents, AI literacy, Software Design Documents, Process Optimization, Business Analysis Tools, Requirements Elicitation, Workflow Management, User Story, Prioritization, Requirements Management, Hugging Face, Language Interpretation, Translation, and Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Programming Principles, Program Development, Software Visualization, Computational Logic, Process Modeling, Diagram Design, Computer Programming Tools, Code Reusability, Computer Programming, Maintainability, Software Documentation, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), User Interface (UI) Design, UI Components, User Interface (UI), User Interface and User Experience (UI/UX) Design, Browser Compatibility, Web Design, Responsive Web Design, Usability, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks