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: Variance Analysis, Financial Analysis, Financial Data, Financial Acumen, Analysis, Auditing, Financial Statements, Reconciliation, Business Communication, Business Analysis, Accounting, Financial Auditing, Accounting Records, Budgeting, Verification And Validation, Investigation, Business Strategy
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Planning And Design, Network Troubleshooting, Network Administration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, MLOps (Machine Learning Operations), Context Management, Distributed Computing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Creativity, Innovation, Higher Education, Student-Centred Learning, Entrepreneurship, Professional Development, Training and Development, Training Programs, Collaboration, Project Design, Problem Solving, New Business Development, Adaptability, Social Impact
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Web Development Tools, Web Development, Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Applications, Web Design, Web Servers, Development Environment, Apache, Software Development, Web Content, Front-End Web Development, Semantic Web, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Fundraising, Drive Engagement, Community Development, Community Outreach, Online Advertising, Goal Setting, Promotional Strategies, Content Creation, User Interface and User Experience (UI/UX) Design, Creativity
Beginner · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Graphic and Visual Design Software
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Human Resources Information System (HRIS), Systems Administration, System Configuration, Organizational Structure, Payroll Administration, Oracle Databases, Workforce Management, Benefits Administration, Payroll, Payroll Processing, Employee Training, Expense Management, User Accounts, Data Validation, Data Entry, Scheduling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: UI Components, C# (Programming Language), Application Frameworks, Network Routing, Web Applications, Javascript, Event-Driven Programming, Model View Controller, Server Side, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, AI Security, DevSecOps, Security Testing, Continuous Monitoring, CI/CD, Threat Detection, Secure Coding, MITRE ATT&CK Framework, DevOps, System Monitoring, Application Security, Continuous Integration, MLOps (Machine Learning Operations), Scripting, Unit Testing, Test Case, Prompt Engineering, Integration Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Express, Web Content Accessibility Guidelines, Typography, Visual Design, Style Guides, Graphic and Visual Design, Design, Digital Design, Layout Design, Graphic Design, Color Theory, Design Elements And Principles, Content Creation, AI Personalization, Branding, Creativity, Generative AI
Beginner · Course · 1 - 4 Weeks