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.

Board Infinity
Skills you'll gain: Mindfulness, Resilience, Emotional Intelligence, Compassion, Communication, Interpersonal Communications, Personal Development, Meditation & Breathwork, Overcoming Obstacles, Stress Management, Personal Care, Self-Awareness, Empowerment, Mental Health, Self-Motivation, Persistence, Mental Concentration, Habit Formation, Goal Setting
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Podcasting, Earned Media, Blogs, Search Engine Optimization, Brand Awareness, Web Presence, Product Promotion, Media Relations, Public Relations, Brand Management, Promotional Strategies, Lead Generation
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Web Applications, Web Design and Development, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, Software Configuration Management, Program Development, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Dashboard Creation, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Social Media Content, Social Media, Social Media Marketing, Social Media Management, Content Creation, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Consumer Behaviour, Advertising, Marketing Psychology, Global Marketing, Persuasive Communication, Marketing Communications, Communication Strategies, Brand Loyalty, Culture, Social Sciences, Branding, Human Learning, Sociology, Strategic Communication, Learning Theory, Decision Making
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Keyword Research, Research, Search Engine Optimization, Search Engine Marketing, Content Strategy, Content Optimization, Web Analytics and SEO
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Spatial Data Analysis, Data Visualization, Datamaps, Tableau Software, Matplotlib, Geospatial Information and Technology, Leaflet (Software), Spatial Analysis, Geospatial Mapping, Plot (Graphics), Seaborn, Visual Storytelling, Data Ethics, Data Mapping, Network Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intellectual Property, Visual Storytelling, Adobe Express, Entrepreneurship, Business Planning, Marketing Communications, Adobe Creative Cloud, Marketing, Campaign Management, Adobe Acrobat, Creative Problem-Solving, Presentations, Creative Thinking, Creativity, Content Creation, Social Media, Branding, Digital Content, Client Services, A/B Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LinkedIn, Professional Networking, Content Marketing, Business Marketing, Content Development and Management, Advertising Campaigns, Sales Prospecting, Content Creation, Campaign Planning, Campaign Management, Social Media Campaigns, B2B Sales, Brand Marketing, Performance Measurement, Prospecting and Qualification, Content Performance Analysis, Brand Strategy, Digital Marketing Tools, Brand Awareness, General Networking
Mixed · Course · 1 - 3 Months

Skills you'll gain: Video Game Development, Game Design, Code Reusability, Python Programming, Debugging, Development Testing, Animation and Game Design, Software Testing, Programming Principles, Event-Driven Programming, Functional Testing, Computer Graphics, User Interface (UI), Development Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Employee Retention, Performance Appraisal, Human Resource Strategy, Case Studies, Performance Review, Human Resource Policies, Human Resources Management and Planning, Employee Engagement, Performance Measurement, Human Resources, Talent Management, Human Resource Management, Compensation Strategy, People Analytics, Performance Metric, Human Resources Information System (HRIS), Workforce Planning, Business Metrics, Driving engagement, Motivational Skills
Mixed · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Organizational Development, Organizational Leadership, Employee Onboarding, Trustworthiness, Team Building, Cross-Functional Collaboration, Team Leadership, Team Management, Recognizing Others, People Management, Constructive Feedback, Employee Engagement, Collaboration, Culture, Performance Review, Leadership, Change Management, Social Skills, Conflict Management, Communication
Intermediate · Course · 1 - 3 Months