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: Instagram, Email Marketing, Email Automation, Lead Generation, Marketing Automation, Make.com, Digital Marketing Tools, Google Sheets, Social Media, Gmail
Beginner · Guided Project · Less Than 2 Hours

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

Arizona State University
Skills you'll gain: Problem Solving, Critical Thinking and Problem Solving, Creativity, Creative Problem-Solving, Human Factors, Decision Making, Human Learning, Human Computer Interaction, Mental Concentration, Human Machine Interfaces, Learning Theory, Usability, Memory Management, Human Centered Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Video Game Development, Game Design, 3D Assets, Interactive Design, Simulation and Simulation Software, Virtual Environment, Simulations, Computer Graphics, Computer Graphic Techniques, Physics, Visualization (Computer Graphics), Color Theory
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Prompt Engineering, Vibe coding, Prompt Engineering Tools, Prompt Patterns, Integrated Development Environments, Software Development Tools, Context Engineering, Application Development, Full-Stack Web Development, Embeddings, Continuous Integration, Code Review, Software Development, Web Development, Web Applications, Software Documentation, Software Engineering, Software Testing, Software Design, Building Codes
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Salesforce Development, Salesforce, Email Automation, Responsive Web Design, Business Process Automation, Process Design, UI Components, No-Code Development, Product Automation, Performance Tuning, Automation, Application Development, Process Development, Layout Design, Customer Relationship Management (CRM) Software, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Computer Programming, Data Structures, Code Reusability, Programming Principles
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Cryptographic Protocols, Authentications, Application Security, Data Import/Export, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Research Design, Science and Research, Research, Social Impact, Experimentation, Innovation, Policy Analysis, Research, and Development, Case Studies, Stakeholder Engagement, Collaboration, Planning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Plot (Graphics), Data Preprocessing, Statistical Visualization, E-Commerce, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Computer Graphics, Descriptive Statistics, Graphing, Data Analysis, Layout Design, Data Visualization, Python Programming
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Supply Chain, Retail Management, Supplier Relationship Management, Order Management, Order Fulfillment, Promotional Strategies, Web Development, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Systems, Database Design, Applied Machine Learning, Database Management Systems, Data Architecture, Database Theory, Database Management, Database Architecture and Administration, Cloud Computing, Big Data, Relational Databases, Query Languages, Databases, Data Processing, SQL
Intermediate · Specialization · 1 - 3 Months