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: Software Architecture, Computer Graphics, Software Design, Maintainability, Systems Architecture, Software Design Patterns, Code Reusability, Software Visualization, Systems Design, Scalability, System Design and Implementation, Computer Graphic Techniques, Performance Tuning
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI powered creativity, Agentic Workflows, AI Workflows, Visual Storytelling
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Case, Test Script Development, Test Planning, Test Automation, Test Engineering, Continuous Integration, Test Tools, CI/CD, Software Quality Assurance, Continuous Delivery, Quality Assurance, Software Quality (SQA/SQC), Software Engineering Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Application Development, Debugging, Application Deployment, Program Development, Computer Graphics, Visualization (Computer Graphics), Maintainability, Graphics Software, C++ (Programming Language), Development Environment, Computer Graphic Techniques, Application Lifecycle Management, Software Development Life Cycle, Context Management, Software Architecture, Code Reusability, Memory Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Traffic Flow Optimization, Construction Inspection, Building Codes, Construction Engineering, Construction, Construction Management, Civil Engineering, Stormwater Management, General Construction and Construction Labor, Structural Engineering, Hydrology, Hydraulics, Grading (Landscape), Public Works, Design Specifications, Structural Analysis, Materials science, Engineering Plans And Specifications, Engineering Practices, Drafting and Engineering Design
Advanced · Specialization · 3 - 6 Months

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Cryptographic Protocols, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Secure Coding, Key Management, Application Development, Public Key Infrastructure, Network Protocols, Algorithms, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Manufacturing Processes, Computer-Aided Design, Automation, Internet Of Things, Manufacturing and Production, Digital Transformation, Manufacturing Operations, Geometric Dimensioning And Tolerancing, Simulation and Simulation Software, Network Infrastructure, Finite Element Methods, AI Integrations, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retail Management, Retail Store Operations, Business Strategy, Organizational Strategy, Strategic Thinking, Market Analysis, Organizational Structure, Case Studies, Business Strategies, Strategic Planning, Analysis, Organizational Development, Leadership and Management, Capacity Management, Milestones (Project Management), Environment
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Timelines, Marketing Materials, Presentations, Milestones (Project Management), Marketing Collateral, Marketing Design, Project Schedules, Product Promotion, Value Propositions, Visual Storytelling, Sales Presentation, Sales Presentations, Graphic Design, Entrepreneurship
Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Strategy, Financial Management, Cost Benefit Analysis, Performance Analysis, Risk Management, Tax Management, Capital Markets, Risk Analysis, Bidding
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Appraisal, Human Resource Strategy, Human Resources, Compensation Strategy, Talent Management, Human Resources Management and Planning, Human Resource Management, Human Capital, Performance Review, Compensation Management, Performance Management, Human Resource Policies, Compensation and Benefits, Employee Performance Management, Organizational Development, Employee Engagement, Workforce Development, Talent Acquisition, People Management, Employee Retention
Beginner · Course · 1 - 4 Weeks