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.

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Web Development, Application Frameworks, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Open Source Technology, Command-Line Interface
★ 4 (80) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: GitHub Copilot, Model Context Protocol, GitHub, Responsible AI, Git (Version Control System), Model Evaluation, AI Integrations, Object-Relational Mapping, Package and Software Management, Restful API, Open Source Technology, CI/CD, AI Security, Security Controls, Generative AI, Agentic Workflows, Security Strategy, Enterprise Architecture, Automation Engineering, Machine Learning
★ 3.5 (6) · Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Network Engineering, Local Area Networks, Network Planning And Design, Networking Hardware, Network Protocols, Network Model, Infrastructure As A Service (IaaS)
★ 3.8 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Application Deployment, MLOps (Machine Learning Operations), Cloud Deployment, Unit Testing, Docker (Software), Containerization, Kubernetes, AI Workflows, IBM Cloud, AI Integrations, Model Evaluation, Machine Learning, Responsible AI, Business Metrics, Natural Language Processing, Time Series Analysis and Forecasting, Continuous Monitoring, Data Science, Python Programming
★ 4.5 (62) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Continuous Quality Improvement (CQI), Quality Management Systems, Quality Improvement, Continuous Improvement Process, Supplier Quality Management, Product Quality (QA/QC), Quality Assurance and Control, Quality Assessment, Service Improvement, Quality Assurance, Supplier Management, Drive Engagement, Quality Control, Corrective and Preventive Action (CAPA), Customer experience improvement, Employee Engagement, Supplier Relationship Management, Process Management, Manufacturing Processes
★ 4.8 (38) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Large Language Modeling, Fine-tuning, Model Evaluation, Token Optimization, Recurrent Neural Networks (RNNs), Data Ethics, Responsible AI, Text Mining, PyTorch (Machine Learning Library), Artificial Neural Networks, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Classification Algorithms, Applied Machine Learning, Data Processing, Machine Learning, Data Analysis, Data Cleansing
★ 3.1 (8) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Canva (Software), Graphic Design, Logo Design, Graphic and Visual Design Software, Graphics Software, Graphic and Visual Design, Creative Design, Multimedia
★ 4.3 (41) · Beginner · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Scientific Methods, Psychology, Research Design, Research, Research Methodologies, Mental and Behavioral Health, Mental Health, Clinical Psychology, Mental Health Diseases and Disorders, Physiology, Statistical Analysis, Neurology
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Management, Cloud Services, Amazon S3, Cloud Infrastructure, Public Cloud, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Technical Product Management, AWS Identity and Access Management (IAM), AWS CloudFormation, Cloud Platforms, AWS Kinesis, Amazon Redshift, Cloud Security, Software Architecture, Amazon CloudWatch, Cloud Storage, Product Management
★ 4.5 (94) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java Programming, Java, Apache Maven, Unit Testing, Gradle, Application Programming Interface (API), Google Cloud Platform, Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Cloud Deployment, Back-End Web Development, YAML, Restful API, Software Configuration Management, Load Balancing
★ 4.8 (8) · Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Clinical Assessment, Vital Signs, Health Technology, Patient Preparation, Patient Coordination, Patient Education And Counseling, Health Assessment, Patient-centered Care, Patient Treatment, Primary Care, Health Care, Health Systems, Telecommunications, Patient Evaluation, Care Management, Communication
★ 4.9 (49) · Beginner · Specialization · 1 - 4 Weeks

MathWorks
Skills you'll gain: Plot (Graphics), AI literacy, Generative AI, LLM Application, Scripting, User Interface (UI) Design, Matlab, User Interface and User Experience (UI/UX) Design, No-Code Development, Data Manipulation, Data Visualization Software, Interactive Data Visualization, UI Components, Mathematical Modeling, Data Visualization, Scientific Visualization, Data Storytelling, Data Analysis, Engineering Calculations, Programming Principles
★ 4.8 (14) · Beginner · Specialization · 1 - 3 Months