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: Web Development, PHP (Scripting Language), Web Design and Development, Content Management, Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Scripting Languages, Frontend Integration, Software Engineering
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Probability & Statistics, Statistical Analysis, Advanced Mathematics, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Applied Mathematics, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Matplotlib, Plot (Graphics), Seaborn, File I/O, Data Visualization Software, NumPy, Python Programming, Code Reusability, Pandas (Python Package), Data Analysis, Program Development, Data Import/Export, Data Processing, JSON, Package and Software Management, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Education Software and Technology, Public Speaking
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Sprint Planning, Sprint Retrospectives, Agile Methodology, Backlogs, Agile Project Management, Estimation, Capacity Planning, Project Estimation, Coordinating, Meeting Facilitation, Dependency Analysis, Goal Setting, Capacity Management, Cross-Functional Team Leadership, Collaboration, Stakeholder Management, Team Building, Risk Mitigation
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Program Management, Project Controls, Cost Management, Earned Value Management, Risk Analysis, Process Management, Risk Management, Program Implementation, Project Schedules, Project Closure, Project Management Institute (PMI) Methodology, Risk Management Framework, Cost Estimation, Business Risk Management, Procurement, Communication Planning, Financial Management, Contract Management, Scheduling, Quality Management
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Product Management, Commercialization, Model Training, Technical Product Management, Product Lifecycle Management, Design and Product, Model Deployment, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Product Strategy, User Interface and User Experience (UI/UX) Design, Product Design, Infrastructure Architecture, Responsible AI, AI literacy, Digital Transformation, Data-Driven Decision-Making, Deep Learning
Beginner · Course · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML)
★ 4.4 (14) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Role-Based Access Control (RBAC), Cloud Security, Data Governance, Secure Coding, Data Security, DevSecOps, Data Management, Infrastructure as Code (IaC), Enterprise Security, Zero Trust Network Access, Application Security, Infrastructure Security, Security Controls, Threat Management, Security Requirements Analysis, Data Quality, Compliance Management, Identity and Access Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Cyber Security Strategy, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, IT Security Architecture, Cyber Attacks, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Systems Thinking, Complex Problem Solving, Policy Analysis, Research, and Development, Policy Analysis, Policy Development, Economics, Policy, and Social Studies, Public Policies, Health Policy, Climate Change Programs, Program Evaluation, Sustainable Development, Agentic systems, Environmental Issue, Social Sciences, Human Services, Economics, Ethical Standards And Conduct, Data Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Event-Driven Programming, Cloud Applications, Cloud-Based Integration, Dataflow, C# (Programming Language), Distributed Computing, Cloud Services, Communication Systems, Cloud Storage, Real Time Data
Intermediate · Course · 1 - 3 Months