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.

Edureka
Skills you'll gain: MongoDB, NoSQL, Database Management, Database Systems, Database Development, Data Wrangling, Performance Tuning, Database Design, Data Modeling, Query Languages, Analytics, Data Processing, Data Manipulation, Scalability, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Sustainable Development, Sustainable Technologies, Materials science, Education Software and Technology, Analytical Testing, Robotics, Chemistry, Engineering Design Process, Environmental Issue, Molecular Biology, Solution Design, Biomedical Engineering, Emerging Technologies, Innovation, Electronics, Safety Standards, Experimentation, Ethical Standards And Conduct, Health Technology, Physics
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Tensorflow, Artificial Neural Networks, Applied Machine Learning, Deep Learning, Keras (Neural Network Library), Recurrent Neural Networks (RNNs), Classification Algorithms, Image Analysis, Convolutional Neural Networks, Model Training, Machine Learning, NumPy, Regression Analysis, Network Architecture
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Loss Prevention, Fraud detection, Asset Protection, Financial Controls, Regulatory Documents, Auditing, Payment Processing and Collection, Accounting, Internal Controls, Transaction Processing, Compliance Auditing, Authorization (Computing), Payment Processing, Verification And Validation, Document Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Deep Learning, Convolutional Neural Networks, Image Analysis, Keras (Neural Network Library), Model Training, Tensorflow, Network Architecture, Artificial Intelligence, Model Optimization, Machine Learning, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Data Modeling, Data Import/Export, Dashboard Creation, Interactive Data Visualization, Data Cleansing, Business Intelligence, Data Transformation, Power Platform Architecture & Technical Design, Business Intelligence Software, Data Visualization Software, Data Sharing, Role-Based Access Control (RBAC), Security Strategy
★ 4.7 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Photo/Video Production and Technology, Videography, Visual Storytelling, Image Analysis, Fine-tuning
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Microsoft PowerPoint, Presentations, Sales Presentation, Oral Expression, Sales Presentations, Verbal Communication Skills, Financial Analysis, Private Equity, Investment Banking, Microsoft Office
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Cloud Computing Architecture, Cloud Infrastructure, Network Infrastructure, Cloud Platforms, Software-Defined Networking, Cloud-Native Computing, Cloud Solutions, Network Planning And Design, Computing Platforms, Code Reusability, Hardware Architecture, Networking Hardware, Risk Management Framework, Interoperability, System Configuration, Digital Transformation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Time Management, Goal-Oriented, Productivity, Organizational Skills, Goal Setting, Prioritization, Planning, Delegation Skills, Multitasking, Personal Development, Resource Allocation, Negotiation, Scheduling, Strategic Prioritization, Self-Awareness, Decision Making, Benchmarking
Mixed · Course · 1 - 3 Months

Skills you'll gain: Advertising Campaigns, Advertising, User Feedback, Marketing Materials, Business Research, Marketing, Market Research, Branding
★ 4.2 (6) · Intermediate · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Blogs, Search Engine Optimization, Copywriting, Content Optimization, Web Analytics and SEO, Web Content, Keyword Research, Content Creation, Digital Marketing Tools, Driving engagement, Generative AI
Mixed · Course · 1 - 3 Months