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.

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Computer Networking, OSI Models, Local Area Networks, Network Planning And Design, Virtual Private Networks (VPN)
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Generative AI, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Data Preprocessing, Anomaly Detection, Security Testing, Applied Machine Learning, Reinforcement Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Relational Databases, Database Management, Database Development, SQL, MySQL, Database Design, Transaction Processing, Stored Procedure, Java, Data Structures, Data Integrity, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Web Design and Development, Web Design
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, AI Product Strategy, Generative Adversarial Networks (GANs), Business Leadership, Responsible AI, Key Performance Indicators (KPIs), Customer experience improvement, Corporate Strategy, Strategic Decision-Making, Data Ethics, Business Ethics, Customer Engagement, Governance
Beginner · Course · 1 - 4 Weeks

Indian Institute of Science
Skills you'll gain: Engineering Documentation, Biomedical Engineering, Medical Devices, Medical Equipment and Technology, Vital Signs, Technical Documentation, Electronic Systems, Electronic Components, Electronics, Chemistry, Technical Communication, Semiconductors, ISO 13485 Standard, Materials science, Internet Of Things, Embedded Systems, Diagnostic Tests, Electrophysiology, Biology, Chemical Engineering
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Sustainability Reporting, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Development, Sustainable Systems, Sustainability Standards, Business Reporting, Annual Reports, Strategic Leadership, Leadership, Social Impact, Organizational Structure, Climate Change Mitigation, Marketing Management, Accounting, Marketing, Communication
Build toward a degree
Intermediate · Course · 1 - 3 Months

American Council on Exercise
Skills you'll gain: Exercise Science, Nutrition and Diet, Safety Training, Kinesiology, Health Education, Injury Prevention, Anatomy, Physiology, Coaching, Goal Setting
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Generative AI, Video Production, Media Production, Photo/Video Production and Technology, AI Personalization, Content Creation, Artificial Intelligence and Machine Learning (AI/ML), Video Editing, Social Media Content, Marketing Automation, Content Marketing, HR Tech, Creative Design, Design and Product, Influencing, Education and Training, Marketing, Digital Marketing, Personal Development, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Grant Writing, Resource Allocation, Strategic Decision-Making, Proposal Development, Strategic Thinking, Business Strategies, Social Impact, Fundraising, Business Modeling, Value Propositions, Innovation, Leadership
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Lean Six Sigma, Lean Methodologies, Six Sigma Methodology, Quality Improvement, Process Improvement, Process Analysis, Operational Efficiency, Continuous Improvement Process, Root Cause Analysis, Waste Minimization, Pareto Chart, Standard Operating Procedure
Mixed · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Visual Impairment Education, Disabilities, Diversity Awareness, Cultural Diversity, Empathy, Web Content Accessibility Guidelines, Adaptive Equipment, Social Skills, Research, Working With Children, Child Development, Collaboration, Cognitive flexibility, Education Software and Technology
Beginner · Course · 1 - 3 Months