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.

Coursera
Skills you'll gain: Presentations, Canva (Software), Sales Presentation, Data Visualization, Graphic Design, Content Creation
★ 4.5 (24) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Experimentation, Product Testing, Laboratory Testing, Laboratory Experience, Case Studies, Research Design, Consumer Behaviour, Target Market, Data Collection, Research Reports, Data Analysis, Recruitment
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Process Flow Diagrams, Content Creation, User Accounts, Business
★ 4.4 (23) · Beginner · Guided Project · Less Than 2 Hours

Universidad Tecnológica Centroamericana
Skills you'll gain: Teaching, Instructional Strategies, Interactive Learning, Blended Learning, Classroom Management, Program Implementation, Course Development, Program Evaluation, Instructing, Digital pedagogy, Train The Trainer, Pedagogy, Student Engagement, Student-Centred Learning, Proposal Development, Instructional Design, Instructional and Curriculum Design, Case Studies, Differentiated Instruction, Multimedia
★ 4.5 (33) · Intermediate · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Infrastructure Security, Vulnerability Scanning, Network Security, Amazon Web Services, Firewall, Virtual Networking, Virtual Private Networks (VPN), Security Controls, Cloud Security, AWS Identity and Access Management (IAM), Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing
★ 4 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, User Interface and User Experience (UI/UX) Design, Web Applications, Interactive Design, Animations, Typography, Color Theory, Web Analytics and SEO, Debugging, Data Validation
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Universidades Anáhuac
Skills you'll gain: Search Engine Marketing, Digital Marketing, Search Engine Optimization, Marketing Strategies, Email Marketing, Web Analytics and SEO, Social Media Marketing, Keyword Research, Content Marketing, Digital Transformation, Marketing Effectiveness, Social Media Strategy, Customer Analysis, Marketing Analytics, Data Analysis, Paid media, Return On Investment
★ 4.4 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI), Web Design, React.js, Responsive Web Design, User Experience, Typography, Javascript
★ 1.7 (6) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, AI Personalization, Training and Development, Instructional Design, AI Enablement, Employee Training, Generative AI Agents, Training Programs, Learning Management Systems, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Workforce Development, Learning Styles, Learning Theory, Learning Strategies, Human Learning, Childhood Education and Development, Real Time Data
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Decision Making, Knowledge Transfer, Communication, Mediation, Systems Thinking, Information Architecture, Organizational Structure, Cultural Diversity, Learning Theory
Beginner · Course · 1 - 3 Months

Skills you'll gain: Animations, UI Components, Apple iOS, Swift Programming, User Interface (UI), Interactive Design, Apple Xcode, Mobile Development, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 3 - 6 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Deep Learning, Artificial Neural Networks, Image Analysis, Keras (Neural Network Library), Applied Machine Learning, Tensorflow, PyTorch (Machine Learning Library), Natural Language Processing, Network Architecture, Model Evaluation, Performance Tuning
Advanced · Course · 1 - 3 Months