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: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java Programming, Java, Hibernate (Java), Model View Controller, Java Platform Enterprise Edition (J2EE), Web Services, Object-Relational Mapping, Software Testing, Test Script Development, Apache Maven, Data Access, Databases, Database Management, Web Applications, Gradle
Beginner · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Organizational Structure, Project Management Institute (PMI) Methodology, Stakeholder Analysis, Stakeholder Management, Project Management, Strategic Planning, Stakeholder Engagement, Organizational Strategy, Systems Thinking, Project Performance, Ideation, Needs Assessment
★ 4.8 (49) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
★ 4.7 (28) · Intermediate · Course · 1 - 3 Months
Erasmus University Rotterdam
Skills you'll gain: Data Sharing, Educational Materials, Open Source Technology, General Science and Research, Science and Research, Research, Research Design, Research Methodologies, Peer Review, Data Access, Community Outreach, Ethical Standards And Conduct, Data Store, Interoperability, Metadata Management, Intellectual Property
★ 4.7 (19) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Load Balancing, Cloud Security, Cloud Management, Cloud Infrastructure, Virtual Networking, Network Architecture, Authorization (Computing), Database Management, Data Security, Network Planning And Design, Relational Databases, Authentications, Identity and Access Management, Cloud Computing, Cloud Solutions, Network Infrastructure, Disaster Recovery
★ 5 (15) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, GitHub Copilot, AI Workflows, Generative AI, AI Integrations, API Design, AI Security, Software Development, Database Design, Automation
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Business Planning, Risk Management, Risk Mitigation, Business Strategy, Peer Review, Financial Modeling, Entrepreneurship, Business Development, Financial Forecasting, Brand Strategy, Branding, Financial Planning, Service Design
★ 4.8 (33) · Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Strategic Decision-Making, Strategic Planning, Decision Making, Strategic Thinking, Strategic Leadership, Organizational Strategy, Corporate Strategy, Business Strategy, Plan Execution, Organizational Structure, Performance Management, Health Care Administration, Business Management, Strategic Partnership, Health Administration, Leadership, Organizational Development, Mergers & Acquisitions, Analysis, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Synapse Analytics, Azure Active Directory, Real Time Data, Zero Trust Network Access, Serverless Computing, Cloud Solutions, Identity and Access Management, Data Integration, Cloud Management, Cloud Applications, Virtual Machines, Cloud Computing Architecture, Data Governance, Cloud Storage, Cloud Computing, Solution Architecture, Disaster Recovery, Virtual Networking
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Token Optimization, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Embeddings, PostgreSQL, Relational Databases, SQL, Query Languages, NoSQL, Node.JS, Data Import/Export, Data Processing, Software Installation
★ 4.5 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, NoSQL, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Database Design, Query Languages, Data Architecture, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks