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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Management, Risk Analysis, Investment Management, Time Series Analysis and Forecasting, Financial Modeling, Object Oriented Programming (OOP), Statistical Analysis, Simulations, Regression Analysis, Jupyter, Python Programming, Programming Principles, Pandas (Python Package), NumPy, Matplotlib, Data Manipulation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Edureka
Skills you'll gain: Prompt Engineering, Generative AI Agents, Generative AI, AI Workflows, Creative Design, Visualization (Computer Graphics), ChatGPT, Image Quality, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, File I/O, Data Transformation, Jupyter, Performance Tuning, JSON, SQL
Advanced · Course · 1 - 3 Months

University of Science and Technology of China
Skills you'll gain: Productivity, Workflow Management, Collaboration, Operational Efficiency, Process Design, Knowledge Transfer, Process Optimization, Team Oriented, Learning Strategies, Smart Goals, Information Management
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Marketing Psychology, Influencing, Case Studies, Persuasive Communication, Advertising, Marketing Communications, Consumer Behaviour, Decision Making, Marketing Effectiveness, Neurology, Behavioral Economics, Marketing, Psychology, Anatomy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Predictive Modeling, Data Preprocessing, Django (Web Framework), Data Visualization, Model Evaluation, Machine Learning Methods, Feature Engineering, Programming Principles, Databases, Game Design, Development Environment, Data Science, Web Applications, Animation and Game Design, Application Frameworks, Scripting, Scripting Languages, Software Design Patterns, Functional Design, Data Validation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Statistical Hypothesis Testing, Process Capability, Statistical Analysis, Data Analysis, Continuous Improvement Process, Project Management, Project Planning, Statistics, Work Breakdown Structure, Lean Six Sigma, Operational Excellence, Data Collection, Process Improvement, Stakeholder Management, Quality Improvement, Quality Management
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Generative AI, LangChain, AI Workflows, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Applied Machine Learning, Transfer Learning, LLM Application, Embeddings, Amazon Web Services, Context Management, Model Deployment, Amazon S3, Model Evaluation
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Multimodal Prompts, LLM Application, Generative Model Architectures, OpenAI API, Application Development, Prompt Engineering, Web Applications, Flask (Web Framework), Web Development, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Differentiated Instruction, Teaching, Instructional Strategies, Digital pedagogy, Literacy, Oral Expression, digital literacy, Learning Styles, Media and Communications, Multimedia, Higher Education, Cultural Diversity, Writing, Non-Verbal Communication
Mixed · Course · 1 - 4 Weeks