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.

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Database Design, Data Analysis, Data Visualization Software
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Wireframing, User Flows, Web Design, Prototyping, UI Components, User Interface (UI), Interaction Design, Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, Database Theory, Databases, Database Design, Database Software, Spreadsheet Software, Collaborative Software, Issue Tracking, Database Application, Collaboration, Cloud Computing
★ 4.2 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Color Matching, Photo/Video Production and Technology, Post-Production, Image Analysis, Video Editing, Cinematography, Fine-tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Peer Review, Interactive Data Visualization, Data Visualization, Storytelling, Microsoft Excel, Dashboard Creation, Data-Driven Decision-Making, Presentations, Pivot Tables And Charts, Data Visualization Software, Business Intelligence, Constructive Feedback, Financial Reporting, User Feedback, Business, Stakeholder Communications, Case Studies, Decision Making
★ 4.9 (14) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, Hardening, Virtual Private Networks (VPN), Network Routing, Remote Access Systems
★ 4.8 (37) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Machine Learning Methods, Healthcare Ethics, Health Informatics, Machine Learning, Deep Learning, Statistical Machine Learning, Convolutional Neural Networks, Data Preprocessing, Predictive Modeling, Electronic Medical Record System, AI Personalization, Machine Learning Algorithms, Recurrent Neural Networks (RNNs), Model Evaluation, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Computational Logic, Code Reusability, Data Structures, Diagram Design, Dataflow, Microsoft Azure, Automation, Program Development, Performance Tuning, Data Management, System Configuration, Interactive Data Visualization, Data Integration, Functional Design, Fine-tuning, Communication, Simulations
Intermediate · Specialization · 3 - 6 Months
Macquarie University
Skills you'll gain: Microsoft Excel, Excel Macros, Excel Formulas, Data Validation, Data Modeling, Spreadsheet Software, Verification And Validation, Data Integrity, Auditing, Dependency Analysis, Automation
★ 4.9 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Graphic Design, Graphic and Visual Design Software, Graphic and Visual Design, Social Media, Social Media Marketing, Organizational Skills, Marketing Design, Collaborative Software, Social Media Strategy, Creative Design, Design Elements And Principles, Shared Media, Typography, Color Theory, Business Strategy
★ 4.5 (13) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cash Flow Forecasting, Business Valuation, Financial Modeling, Financial Forecasting, Revenue Forecasting, Risk Analysis, Financial Analysis, Forecasting, Investment Banking, Cash Flows, Presentations, Verification And Validation, Dashboard, Case Studies, Real Time Data
★ 4.6 (14) · Mixed · Course · 1 - 4 Weeks

Kotter
Skills you'll gain: Organizational Change, Change Management, Organizational Development, Business Transformation, Leadership and Management, Organizational Structure, Organizational Leadership, Industrial and Organizational Psychology, Leadership Development, Leadership, Drive Engagement, Stakeholder Engagement, Diversity and Inclusion, Lifelong Learning
★ 4.7 (39) · Beginner · Course · 1 - 4 Weeks