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: C# (Programming Language), Artificial Intelligence, Microsoft Visual Studio, Algorithms, Game Design, Video Game Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, AWS Identity and Access Management (IAM), Encryption, Network Security, System Monitoring, Network Administration, Amazon Web Services, Security Controls, Cloud Security, Firewall, Network Monitoring, Network Performance Management, Governance
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Development Tools, Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Query Languages, Databases
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Problem Solving, Research, Political Sciences, Policy Analysis, Systems Analysis, Case Studies, Persuasive Communication, Critical Thinking, Simulations, Scientific Methods, Mathematical Modeling, Applied Mathematics, Human Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Architecture, Security Engineering, Internet Of Things, Encryption, Information Systems Security, Vulnerability Assessments, Threat Modeling, Data Security, Security Requirements Analysis, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Authentications, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Maintainability, Code Review, Testability, Debugging, Style Guides, Software Documentation, Software Design Patterns, Programming Principles, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

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 · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Data Preprocessing, Model Deployment, Jenkins, Apache Mahout, AI Security, Applied Machine Learning, Classification Algorithms, Java, Continuous Deployment, Java Programming, Federated Learning, Artificial Intelligence, Model Evaluation, Deep Learning, Machine Learning, Spring Boot, Natural Language Processing, Reinforcement Learning
Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Data Access, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Marketing Design, Graphic Design, Color Theory, Graphic and Visual Design, Marketing Collateral, Content Creation, Marketing, Business Communication, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Case Studies, Collaboration, Professional Networking, Leadership and Management, Professionalism, Teamwork, Team Leadership, Professional Development, Leadership, Business Leadership, Relationship Building, Branding, Personal Attributes, Goal Setting, Mentorship, Adaptability
Intermediate · Course · 1 - 4 Weeks