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.

Duke University
Skills you'll gain: File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Data Store, Program Development, Web Analytics and SEO, Data Import/Export, Web Servers, File Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Bootstrap (Front-End Framework), Version Control, Restful API, Responsive Web Design, Unix Commands, Jest (JavaScript Testing Framework), JSON, Web Development Tools, Git (Version Control System), Hypertext Markup Language (HTML), Back-End Web Development, React.js, API Testing, HTML and CSS, GitHub, Relational Databases, Object Oriented Programming (OOP), Mobile Development, Python Programming
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Computer Vision, Transfer Learning, Deep Learning, Image Analysis, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Hugging Face, Natural Language Processing, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Model Training, Fine-tuning, Generative AI, Embeddings, Supervised Learning, Large Language Modeling, Artificial Intelligence
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Excel Formulas, Dashboard, Microsoft Excel, Dashboard Creation, Data Wrangling, Excel Macros, Data Preprocessing, Spreadsheet Software, Data Validation, Data Manipulation, Data Processing, Data Presentation, Interactive Data Visualization, Data Analysis Software, Business Analytics, Data Modeling, Financial Forecasting, Analytical Skills, Predictive Modeling, Productivity Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Vibe coding, Responsible AI, AI powered creativity, Brainstorming, Planning, Visual Storytelling, Prompt Patterns, Generative AI, Data Wrangling, Data Analysis, Content Creation, Presentations, AI literacy, Communication Planning, Business Communication, Artificial Intelligence, Data Visualization, Research, Project Management, Machine Learning
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: NoSQL, Extract, Transform, Load, Database Administration, Apache Spark, Data Warehousing, Web Scraping, Data Pipelines, Apache Hadoop, Database Architecture and Administration, Database Design, Linux Commands, SQL, IBM Cognos Analytics, Data Store, Generative AI, Professional Networking, Data Import/Export, Python Programming, Data Analysis, Data Science
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Javascript, Responsive Web Design, Web Design and Development, Ajax, Front-End Web Development, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), Web Design, Web Development, Web Development Tools, Development Environment, JSON, Web Applications, Frontend Performance, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Design, SQL, IBM DB2, Database Management, Data Store, Data Architecture, Relational Databases, Database Systems, Apache Hadoop, Databases, Big Data, Unit Testing, Database Development, Data Storage, Operational Databases, Data Import/Export, Python Programming, NumPy
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Data Structures, Object Oriented Design, Maintainability, Object Oriented Programming (OOP), Spring Boot, Numerical Analysis, Algorithms, Interoperability, Data Management, Performance Tuning, Data Validation
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Interactive Data Visualization, Statistics, Descriptive Statistics, Logistic Regression, Decision Tree Learning, Advanced Analytics, Probability & Statistics, Probability Distribution, Statistical Inference, Applied Machine Learning, Data-Driven Decision-Making, Supervised Learning, Workflow Management, Statistical Methods, Statistical Modeling, Data Cleansing, Data Structures, Interviewing Skills, NumPy, Professional Development
Build toward a degree
Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: User Research, JSON, Hypertext Markup Language (HTML), User Experience Design, Design Research, Linux Commands, Javascript, Unix, Usability, Cascading Style Sheets (CSS), User Centered Design, Experience Design, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, UI Components, Unit Testing, Mobile Development Tools, Code Reusability
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months