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.

Skills you'll gain: Apache Maven, Java, Object Oriented Design, Build Tools, Memory Management, Hibernate (Java), Unit Testing, File I/O, Data Persistence, Docker (Software), Software Testing, Software Design Patterns, Integrated Development Environments, Object-Relational Mapping, Functional Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Marketing, Social Media, Social Media Content, Social Media Strategy, Photo Editing, Marketing, Photo/Video Production and Technology, Graphics Software, Graphic and Visual Design Software, Graphical Tools, Graphic Design, Computer Graphic Techniques, Entrepreneurship, Business
★ 4.5 (86) · Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Business Reporting, Data Cleansing, Data Visualization, Data Management, Data Maintenance, Auditing, Analytics, Data Validation, Data Integrity
★ 4.4 (37) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Deep Learning, Graph Theory, Machine Learning Algorithms
★ 4.6 (35) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Infrastructure Architecture, Cloud Platforms, Deep Learning, Hardware Architecture, Computing Platforms, Information Technology, Internet Of Things, Embedded Software, Cloud Computing, Embedded Systems, Distributed Computing, Data Centers
★ 4.8 (96) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (19) · Intermediate · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Electrical Substation, Control Systems, Electrical Systems, High Voltage, Electrical Equipment, Electric Power Systems, Low Voltage, Electrical Power, Electrical Safety, Plant Operations and Management, Three-Phase, Schematic Diagrams, Safety Standards, Technical Standard, Construction, Thermal Management
★ 4.9 (82) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Database Design, Relational Databases, Problem Solving
★ 4.6 (335) · Beginner · Guided Project · Less Than 2 Hours
STARWEAVER
Skills you'll gain: Embedded Software, Embedded Systems, Electrical Systems, Cybersecurity, Program Development, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Apple iOS, iOS Development, Video Game Development, Mobile Development, Geographic Information Systems, Game Design, Interactive Design, Animation and Game Design, Geospatial Information and Technology, Animations, Interaction Design, Human Computer Interaction, Global Positioning Systems, Computer Graphic Techniques, Event-Driven Programming, Knowledge of Apple Hardware
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Mockups, Figma (Design Software), User Interface (UI), Design
★ 4.4 (82) · Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Mining, Big Data, Predictive Analytics, Analytics, Data Modeling, MySQL, Apache Hadoop, Data Integration, Star Schema, Unstructured Data, Database Design, SQL, Classification Algorithms
★ 3.9 (104) · Intermediate · Course · 1 - 3 Months