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.

Cisco Learning and Certifications
Skills you'll gain: Devops Tools, Development Environment, Software Development Tools, Software Development Methodologies, CI/CD, DevOps, IT Automation, Continuous Deployment, Version Control, Continuous Integration, Network Engineering, Program Development, Docker (Software), Network Infrastructure, Containerization, Software Development, Virtual Environment, Git (Version Control System), Waterfall Methodology, Software Design
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Financial Statement Analysis, Financial Statements, Operations Management, Financial Analysis, Selling Techniques, Operations, Supply Chain, Business Operations, Operational Efficiency, Sales, Balance Sheet, Sales Process, Business Management, Logistics Management, Marketing, Advertising, Marketing Strategies, Process Design, Business Economics, Lean Methodologies
★ 4.7 (22) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Smart Goals, Goal Setting, Interviewing Skills, Professional Networking, Artificial Intelligence and Machine Learning (AI/ML), Workforce Development, Negotiation, Professional Development, Data Science, Artificial Intelligence, Compensation Strategy, Machine Learning, Compensation and Benefits, Data Analysis, Web Presence, Recruitment, Data Literacy, Events and Conferences, Data Architecture, AI literacy
★ 4.6 (23) · Beginner · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Radiation Therapy, electromagnetics, Medical Devices, Engineering, Scientific, and Technical Instruments, Pump Stations, Electronics, Physics, Sustainable Technologies, Equipment Design, Materials science, Systems Of Measurement
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, AI Product Strategy, Generative Adversarial Networks (GANs), Business Leadership, Responsible AI, Strategic Leadership, Key Performance Indicators (KPIs), AI Integrations, Corporate Strategy, Data Ethics, Customer Engagement, Governance, Data Governance
★ 4.2 (37) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
★ 4.8 (67) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Object Oriented Design, Programming Principles, File I/O, Data Import/Export, Debugging, File Management, Memory Management
Beginner · Course · 3 - 6 Months

L&T EduTech
Skills you'll gain: Manufacturing Processes, Hydraulics, Control Systems, Manufacturing Operations, Mechanical Engineering, Equipment Design, Maintenance, Repair, and Facility Services, Thermal Management, Failure Analysis, Robotics, Materials science, Automation, Quality Assurance
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Optimization, Process Improvement, Brainstorming, Continuous Improvement Process, Business Process Improvement, Root Cause Analysis, Creative Problem-Solving, Innovation, Operational Efficiency, Knowledge Transfer, Collaboration, Technology Strategies, Data Management
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Creativity, Habit Formation, Computer Graphic Techniques, Graphics Software, Peer Review, Digital Design, Creative Thinking, Goal Setting, Creative Design, Design Software, Constructive Feedback, Apple software proficiency
★ 5 (7) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Architecture, Software Design, System Design and Implementation, System Programming, Systems Analysis, Embedded Systems, Requirements Analysis, Operating Systems, Linux, System Requirements, Verification And Validation, Real Time Data, Performance Tuning, Application Performance Management, Performance Testing, System Monitoring, Systems Integration, Computer Vision
★ 3.8 (8) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Data Ethics, Unsupervised Learning, Dimensionality Reduction, Responsible AI, Text Mining, Data Preprocessing, Data Transformation, Anomaly Detection, Exploratory Data Analysis, Machine Learning, Scikit Learn (Machine Learning Library), Natural Language Processing, Data Science, Quality Assurance, Data Pipelines, Machine Learning Algorithms, Classification Algorithms, Design Thinking, Python Programming
★ 4.4 (80) · Advanced · Course · 1 - 4 Weeks