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.

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: Control Systems, Robotics, Embedded Software, Automation, Software Architecture, Simulations, Safety Assurance, Hardware Architecture, Systems Architecture, Computer Vision, Mathematical Modeling, Safety Standards, Global Positioning Systems
Advanced · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, System Configuration, Cloud Applications, Data Pipelines, Automation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Keyword Research, Content Strategy, Web Content, Auditing, Report Writing, Analysis
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Personalization, Cross-Channel Marketing, Brand Marketing, Marketing Strategies, Advertising Campaigns, Marketing Automation, Campaign Management, Performance marketing, AI Enablement, Persona Development, Performance Analysis, Target Audience, Generative AI, Marketing Analytics, Online Advertising, A/B Testing, Real Time Data, Paid media, Key Performance Indicators (KPIs), Predictive Analytics
Advanced · Course · 1 - 4 Weeks

PracticalGrowth
Skills you'll gain: Team Motivation, Recognizing Others, Team Performance Management, Team Management, Team Building, Employee Engagement, Drive Engagement, Management Training And Development, Team Leadership, Telecommuting, Virtual Teams, Diversity and Inclusion, Employee Retention, Professional Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interviewing Skills, Search Engine Optimization, Decision Making, AI Enablement, Web Analytics and SEO, Digital Marketing, Keyword Research, Marketing Analytics, Marketing Strategies, Verbal Communication Skills, LinkedIn, Proposal Writing, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Systems Development Life Cycle, Security Controls, Software Testing, Security Management, Software Development, Cybersecurity, Data Security, Continuous Monitoring, Risk Management Framework, Authorization (Computing), Identity and Access Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, NoSQL, Data Store, Operational Databases, Performance Tuning, Transaction Processing, Key Management, Server Administration, Data Structures, Data Storage, Real Time Data, Data Management, Event-Driven Programming, Scalability, Data Manipulation, Big Data, Query Languages, Data Modeling, Scripting
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Project Finance, Financial Modeling, Risk Analysis, Loans, Financial Analysis, Financial Forecasting, Excel Formulas, Project Risk Management, Cost Benefit Analysis, Revenue Forecasting, Risk Management, Due Diligence, Microsoft Excel, Cash Flows
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Database Software, Database Design, Data Import/Export, Database Management, Databases, Relational Databases, Data Access, Data Manipulation, Extensible Markup Language (XML), Data Analysis Expressions (DAX), Data Management
Mixed · Course · 1 - 3 Months
Skills you'll gain: Engineering Calculations, Applied Mathematics, Simulation and Simulation Software, Engineering, 3D Modeling, Thermal Management, Process Analysis, Scientific Visualization, Geometry, Star Schema, Environment
Intermediate · Course · 1 - 4 Weeks