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.

Simplilearn
Skills you'll gain: Branding, Brand Marketing, Brand Strategy, Brand Management, Target Audience, Brand Awareness, Logo Design, Global Marketing, Digital Transformation, Brand Loyalty, Marketing, Marketing Design, Marketing Strategies, Marketing Effectiveness, Market Opportunities, Consumer Behaviour
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Communication Strategies, Team Management, Leadership, Productivity, Diversity Awareness, Collaboration, Workplace inclusivity, Communication, Interpersonal Communications, Empathy
Advanced Ā· Course Ā· 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Sales Presentations, Prospecting and Qualification, Persona Development, Sales Strategy, Sales Process, Target Audience, Sales Pipelines, Sales, Lead Generation, Customer Analysis, Email Automation, Prioritization, Customer Engagement
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Microsoft PowerPoint, Sales Presentation, Presentations, Sales Presentations, Target Audience, Company, Product, and Service Knowledge, Value Propositions, Microsoft Office, Business Communication, Team Oriented, Business Process
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Unreal Engine, Performance Tuning, Game Design, User Interface (UI), Video Game Development, 3D Assets, Virtual Environment, Virtual Reality, Animations, Simulations, Computer Graphics, Animation and Game Design, Augmented and Virtual Reality (AR/VR), Scripting, Interactive Design
Intermediate Ā· Specialization Ā· 3 - 6 Months

Pearson
Skills you'll gain: Cloud Security, Cloud Computing Architecture, Cloud Deployment, Cloud Management, Cloud Computing, Identity and Access Management, Cloud Infrastructure, Security Controls, CI/CD, Computer Security Incident Management, Scalability, Data Security, Network Troubleshooting, Disaster Recovery, Infrastructure as Code (IaC), Vulnerability Assessments, Key Management, Network Security, Incident Response, Solution Design
Beginner Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, UI Components, Animations, Mockups, Front-End Web Development, Typography, Web Development
Intermediate Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Web Content, Web Design, Content Management, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Facebook, Social Media Campaigns, Marketing Design, Marketing Materials, Social Media, Social Media Content, Graphic Design, Promotional Materials, Content Creation, Advertising, Marketing, Online Advertising
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Packt
Skills you'll gain: Performance Appraisal, Constructive Feedback, Employee Performance Management, People Management, Expectation Management, Conflict Management, Professionalism, Emotional Intelligence, Active Listening, Goal Setting
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Ansible, TCP/IP, Docker (Software), OSI Models, Cloud Infrastructure, General Networking, Computing Platforms, Application Programming Interface (API), Version Control, Network Administration, Software Design Patterns, JSON, Software-Defined Networking
Intermediate Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Cloud Deployment, Cloud Computing Architecture, Public Cloud, Cloud Security, Data Import/Export, Load Balancing, Virtual Networking, Multi-Factor Authentication, Event Monitoring, Data Storage, MySQL, Key Management, Scalability
Intermediate Ā· Specialization Ā· 3 - 6 Months