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.

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Strategic Marketing, Marketing Analytics, Artificial Intelligence, Generative AI, Agentic systems, Content Development and Management, Digital Marketing, Content Creation, Automation, Business Ethics, Customer experience improvement, Machine Learning, Natural Language Processing, Content Management, Creativity, Ethical Standards And Conduct, Interactive Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: PHP (Scripting Language), File I/O, Web Applications, Responsive Web Design, MySQL, Web Design and Development, Server Side, HTML and CSS, Back-End Web Development, Database Development, File Management, Data Structures
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Virtual Networking, Virtual Private Networks (VPN), Security Controls, Cloud Security, AWS Identity and Access Management (IAM), Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Data Structures, C (Programming Language), Programming Principles, Data Management, Algorithms, Computer Programming, File I/O
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Authorization (Computing), Authentications, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Security, Single Sign-On (SSO), Kubernetes, Encryption, Data Integration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AWS CloudFormation, Amazon Web Services, Amazon Elastic Compute Cloud, Event-Driven Programming, Serverless Computing, Event Monitoring, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

University of Alberta
Skills you'll gain: Virtual Teams, Recognizing Others, Conflict Management, Emotional Intelligence, Empathy & Emotional Intelligence, Collaboration, Occupational Health, Teamwork, Stress Management, Employee Engagement, Mental Health, Occupational Safety and Health Administration (OSHA), Crisis Management, Workplace inclusivity, Occupational Safety And Health, Human Resource Policies, Self-Awareness, Resilience, Communication, Leadership and Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Software Development Tools, Software Development Methodologies, Agile Methodology, Responsible AI, AI Enablement, AI Workflows, Team Oriented, Software Engineering, Engineering Management, Cross-Functional Collaboration, Generative AI
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Sharing, Web Development
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Culture, Cultural Diversity, Cultural Sensitivity, Intercultural Competence, Global Marketing, Organizational Structure, Diversity Awareness, Consumer Behaviour, Brand Management, Human Resource Management, Coordination
Build toward a degree
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Risk Analysis, Project Finance, Risk Management, Project Design, Policy Analysis, Project Management, Feasibility Studies, Strategic Partnership, Public Policies, Financial Analysis, Fiscal Management, Climate Change Adaptation, Regulatory Requirements, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Work Breakdown Structure, Agile Methodology, Agile Project Management, Project Documentation, Quality Management, Project Management Life Cycle, Project Management, Kanban Principles, Waterfall Methodology, Project Planning, Earned Value Management, Project Schedules, Scaled Agile Framework, Organizational Structure
Intermediate · Course · 1 - 4 Weeks