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: Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Virtual Machines, Network Infrastructure, Virtual Networking, General Networking, Firewall, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Core Data (Software), iOS Development, Mobile Development, Secure Coding, User Interface (UI), Application Deployment, Scalability, User Interface (UI) Design, UI Components, Debugging, Data Persistence, Data Management, Model View Controller, Performance Tuning, Programming Principles, Application Programming Interface (API), Application Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Sales Presentation, Presentations, Sales Presentations, Canva (Software), Multimedia, Marketing Design, Design, Marketing Collateral, Product Demonstration, Marketing Materials, Graphic Design, Photo Editing
Intermediate · Guided Project · Less Than 2 Hours

Meta
Skills you'll gain: Git (Version Control System), Android Jetpack, Android Development, Android Studio, User Interface and User Experience (UI/UX) Design, Mobile Development, User Interface (UI), Kotlin, Application Development, Wireframing, User Flows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Integration, Microsoft Azure, Authorization (Computing), Azure Active Directory, Event-Driven Programming, Cloud Infrastructure, Authentications, Cloud Storage, Disaster Recovery, Data Architecture, Cloud Computing Architecture, Database Design, Cloud Security, Data Infrastructure, Event Monitoring, Role-Based Access Control (RBAC), Application Design, Application Programming Interface (API), Cloud Deployment, Identity and Access Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Content Creation, Social Media Content, Social Media, Instagram, Graphic Design, Digital Design, Organizational Skills, Facebook, Video Production
Intermediate · Guided Project · Less Than 2 Hours

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Job Evaluation, Compensation Analysis, Compensation Strategy, Compensation Management, Job Analysis, Compensation and Benefits, Payroll, Human Resource Strategy, Performance Review, Data Visualization, Benchmarking, Data Analysis, Market Analysis, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Storyboarding, Color Theory, Graphic Design, Graphic and Visual Design, Organizational Skills, Design, Storytelling, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Code Review, Database Design, SQL, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Innovation, Data Integration, Unstructured Data, Big Data, Data Analysis, Exploratory Data Analysis, Data Presentation, Data Visualization Software, Feature Engineering, Analysis, Model Evaluation, Natural Language Processing, Technical Writing, Classification Algorithms, Algorithms
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Ideation, Creative Problem-Solving, Brainstorming, Innovation, Persuasive Communication, Cognitive flexibility, Team Building, Teamwork, Open Mindset, Influencing, Communication, Collaboration, Storytelling, Decision Making
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Databases, Full-Stack Web Development, Web Development, Web Applications, Authentications, Development Environment, Authorization (Computing), Application Frameworks, Cascading Style Sheets (CSS), File Management
Intermediate · Course · 3 - 6 Months