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: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Dashboard Creation, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Application Frameworks, Java Programming, Object Oriented Design, Back-End Web Development, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases, Extensible Markup Language (XML), Data Access
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Data Pipelines, Computer Programming, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Organizational Change, Agentic Workflows, Generative AI Agents, AI Integrations, Forecasting, Workflow Management, Predictive Analytics, Cash Management, Responsible AI, Performance Tuning, Fraud detection, Financial Regulation
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Storage vMotion, vCenter Server, VMware ESX Servers, VMware vSAN, Data Migration, Amazon Web Services, Virtual Machines, Cloud Hosting, Amazon Elastic Compute Cloud, Cloud Management, Enterprise Application Management, Cloud Solutions, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation, System Implementation, Network Infrastructure
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Political Sciences, Systems Analysis, Persuasive Communication, Personal Development, Critical Thinking, Education and Training, Scientific Methods
Beginner · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Responsive Web Design, Swift Programming, Mobile Development, User Interface (UI) Design, User Interface (UI), UI Components
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Deployment, Multi-Cloud, Cloud Security, AI Security, MLOps (Machine Learning Operations), DevSecOps, Cloud Management, Security Architecture Review, Microservices, Site Reliability Engineering, Security Controls, CI/CD, System Monitoring, Infrastructure as Code (IaC), Compliance Management, Automation, Kubernetes, Docker (Software), Incident Management, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Development Environment, Game Design, Data Management, Scalability, Performance Tuning, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Cassandra, Google Cloud Platform, Database Administration, Operational Databases, Query Languages, Database Design, Database Management, Data Access, Cloud Deployment
Beginner · Project · Less Than 2 Hours

Universidad Autónoma Metropolitana
Skills you'll gain: Computational Thinking, Lifelong Learning, Creative Thinking, Self-Starter, Programming Principles, Program Development, Computer Programming, Critical Thinking, Critical Thinking and Problem Solving, Creativity, Willingness To Learn, Debugging, Creative Problem-Solving, Open Source Technology, Event-Driven Programming, Independent Thinking, Problem Solving, digital literacy, Computer Programming Tools, Algorithms
★ 5 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Mainframe Computing, Computer Architecture, Mainframe Technologies, System Programming, Computational Logic, Programming Principles, Computer Programming, Computer Science, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months