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.

Packt
Skills you'll gain: Secure Coding, API Testing, API Design, Application Programming Interface (API), Security Testing, Penetration Testing, Application Security, Restful API, Authentications, Exploit development, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Scenario Testing, Security Controls, Development Environment, Cybersecurity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Analytics and SEO, Keyword Research, Web Analytics, Competitive Intelligence, Digital Analysis, Competitive Analysis, Search Engine Optimization, User Research, User Experience, User Experience Design, UI/UX Research, Search Engine Marketing, Digital Marketing Tools, Digital Marketing, Content Strategy, Market Analysis, Content Marketing, Marketing, Strategic Marketing, Marketing Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Android Development, Mobile Development, Scripting, C# (Programming Language), Android (Operating System), Video Game Development, Animation and Game Design, Application Development, Game Design, Performance Tuning, Animations, User Interface (UI), Software Installation
Beginner · Course · 3 - 6 Months

Skills you'll gain: Backlogs, Product Strategy, Agile Product Development, Stakeholder Engagement, Stakeholder Management, Business Modeling, Forecasting, Product Planning, Release Management, Product Roadmaps, Product Management, Agile Methodology, Sprint Planning, Customer Advocacy, Agile Project Management, Delegation Skills, Sprint Retrospectives, Prioritization, Contract Management, Value Propositions
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Content Scheduling, Social Media Content, Social Media, Social Media Marketing, Social Media Management, Content Creation, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Productivity, Leadership and Management, Management Training And Development, Time Management, Leadership, Business Leadership, Delegation Skills, Team Leadership, Leadership Development, Employee Onboarding, Prioritization, Organizational Leadership, People Management, Business Management, Staff Management, Team Building, Performance Measurement, Quality Management, Recruitment, Executive Recruitment
Beginner · Course · 3 - 6 Months

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

Skills you'll gain: Go (Programming Language), Web Servers, JSON, Restful API, User Interface (UI), Web Applications, Server Side, Web Development, Application Programming Interface (API), Debugging, Front-End Web Development, Scalability, Data Structures
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: API Gateway, Amazon Elastic Compute Cloud, Amazon Web Services, Virtual Networking, Application Programming Interface (API), Load Balancing, Cloud Infrastructure, Network Architecture, Network Infrastructure, Network Routing, Cloud Deployment, Scalability, Frontend Performance, Capacity Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Employee Retention, Performance Appraisal, Human Resource Strategy, Case Studies, Performance Review, Human Resource Policies, Human Resources Management and Planning, Employee Engagement, Performance Measurement, Human Resources, Talent Management, Human Resource Management, Compensation Strategy, People Analytics, Performance Metric, Human Resources Information System (HRIS), Workforce Planning, Business Metrics, Driving engagement, Motivational Skills
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Agile Software Development, Software Development Methodologies, Agile Methodology, Scaled Agile Framework, Agile Product Development, Leadership and Management, Agile Project Management, Conflict Management, Leadership, Leadership Development, Organizational Leadership, Sprint Planning, Collaborative Software, Scrum (Software Development), Project Planning, Team Building, Software Development Life Cycle, Software Development, Prioritization, Team Oriented
Mixed · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Model Deployment, Tensorflow, Kubernetes, Scalability, Cloud Deployment, Image Analysis, Applied Machine Learning, Model Training, Cloud Computing, MLOps (Machine Learning Operations), Cloud Management, Cloud Storage, Data Management
Intermediate · Project · Less Than 2 Hours