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: Hardware Architecture, OSI Models, Computer Networking, Computer Hardware, Disaster Recovery, Virtual Local Area Network (VLAN), Network Administration, Network Architecture, Network Infrastructure, Database Management, General Networking, Network Troubleshooting, Relational Databases, Computer Systems, Wide Area Networks, Databases, Hardware Troubleshooting, Computer Architecture, Networking Hardware, IT Service Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Electronic Systems, Electronic Hardware, Hardware Design, Electronic Components, USB, Machine Controls, Data Storage Technologies, Control Systems, Automation Engineering, Electronics, Program Development, Data Storage, Data Persistence, Environmental Monitoring, Prototyping, Programming Principles, Display Devices, C (Programming Language)
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Risking, Project Controls, Earned Value Management, Verification And Validation, Project Management Life Cycle, Acceptance Testing, Software Development Methodologies, AI Workflows, Quality Assurance, Data-Driven Decision-Making, Performance Measurement, Corrective and Preventive Action (CAPA), Continuous Monitoring, Variance Analysis
Intermediate · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Digital Assets, Blockchain, Financial Services, FinTech, Payment Systems, Emerging Technologies, Transaction Processing, Cryptography, Systems Architecture, Business Process Automation, Cryptographic Protocols, Business Transformation, Innovation, Network Model, Database Management Systems, Risk Analysis, Analysis, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Campaign Management, Digital Marketing Campaigns, Social Media, Content Performance Analysis, Digital Marketing, Social Media Marketing, Digital Analysis, Digital Media Strategy, Campaign Planning, Digital Marketing Tools, Case Studies, Social Media Campaigns, Marketing Strategies, Strategic Marketing, Marketing Planning, Social Media Strategy, Marketing, Global Marketing, Strategic Thinking, Business
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Database Management, Database Architecture and Administration, Apache Hadoop, Database Theory, Query Languages, Database Management Systems, Big Data, Databases, SQL, Data Access, Distributed Computing, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Business Analysis, Stakeholder Engagement, Stakeholder Management, Business Requirements, Solution Design, Requirements Management, Stakeholder Communications, Business Process, Business Strategies, Requirements Elicitation, Stakeholder Analysis, Performance Analysis, Strategic Thinking, Governance, Performance Measurement, Business Solutions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Software Testing, Debugging, Test Case, Issue Tracking, Functional Testing, Unit Testing, Software Quality Assurance, System Testing, Test Tools, Acceptance Testing, Software Quality (SQA/SQC), Integration Testing, Test Driven Development (TDD), Test Automation, Regression Testing, Quality Assurance, Waterfall Methodology, Agile Methodology, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Scripting
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Lean Six Sigma, Performance Improvement, Statistical Process Controls, Lean Methodologies, Operational Analysis, Process Improvement, Process Improvement and Optimization, Statistical Hypothesis Testing, Quality Improvement, Six Sigma Methodology, Operational Excellence, Business Process, Statistical Methods, Continuous Improvement Process, Innovation, Operations Management, Quality Control, Probability & Statistics, Patient-centered Care, Problem Solving
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Empowerment, Responsible AI, Data Ethics, Community Organizing, Community Development, Advocacy, Social Justice, Social Work, Creativity, Public Policies, Qualitative Research, Diversity Equity and Inclusion Initiatives, Innovation, Education and Training, Collaboration, Student Engagement, Adult Education, Case Studies, Training Programs, Student Support and Services
Beginner · Course · 1 - 3 Months

Skills you'll gain: Order Management, ASP.NET, Order Management Systems, User Interface (UI) Design, .NET Framework, Authentications, User Interface and User Experience (UI/UX) Design, UI Components, User Interface (UI), User Accounts, Payment Processing, Web Design, Authorization (Computing), E-Commerce, Identity and Access Management, Payment Systems, Payment Processing and Collection, Debugging
Intermediate · Course · 1 - 3 Months