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.

University of Toronto
Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Mobile Development, Application Design, Application Development, User Interface (UI), Interaction Design, Data Persistence, Animations, Computer Graphics, Persistence, Storyboarding, Network Model
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Key Management, Threat Modeling, Authorization (Computing), Encryption, Data Integrity, Authentications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Test Planning, Statistical Analysis, Financial Analysis, Financial Data, Statistical Inference, Risk Analysis, Performance Metric, Spreadsheet Software, Decision Making, Project Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, CI/CD, Cloud Security, Service Level Agreement, Microservices, Google Cloud Platform, Network Architecture, Site Reliability Engineering, Cloud Computing Architecture, Kubernetes, Restful API, Cloud Storage, Cloud Computing, Key Performance Indicators (KPIs), DevOps, Virtual Networking, System Design and Implementation, Load Balancing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Interactive Design, Canva (Software), Layout Design, Digital Design, Information Architecture, Browser Compatibility, Graphic and Visual Design, Typography, Design Strategies, Color Theory, Design Elements And Principles, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Appraisal, Human Resource Strategy, Human Resources, Compensation Strategy, Talent Management, Performance Management, Organizational Development, Employee Engagement, Workforce Development, Talent Acquisition, Employee Retention, Case Studies
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Newsletters, Email Marketing, Project Design, Content Creation, Scheduling, Test Tools, User Accounts, Marketing, Communication
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Design, Stored Procedure, Microsoft SQL Servers, Database Management, Database Development, Relational Databases, Database Architecture and Administration, SQL, Databases, Database Management Systems, Transaction Processing, Visual Basic (Programming Language), Data Management, Verification And Validation, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prototyping, User Interface (UI) Design, Usability, User Research, Interactive Design, Design Strategies, UI/UX Research, User Centered Design, Mockups, Visual Design, Usability Testing, Graphic and Visual Design Software, Figma (Design Software), Design Thinking, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Materials, Cross-Channel Marketing, Marketing Design, Canva (Software), Brochures, Marketing Planning, Email Marketing, Layout Design, Graphic and Visual Design, Digital Design, Web Content, Style Guides, Typography, Brand Management
Beginner · Course · 1 - 4 Weeks