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: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Program Evaluation, Data Management, Data Collection, Data Analysis, Data Cleansing, Quantitative Research, Data Quality, Research Design, Sample Size Determination, Interviewing Skills, Data Presentation, Data Mapping, Data Ethics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Strategy, Strategic Thinking, Competitive Analysis, Business Strategies, Go To Market Strategy, Entrepreneurship, Competitive Intelligence, Market Opportunities, Innovation, Organizational Strategy, Spreadsheet Software, Leadership
★ 4.4 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: API Gateway, Microservices, Restful API, Node.JS, Application Programming Interface (API), Software Architecture, API Design, Program Development, Systems Architecture, Service Oriented Architecture, Web Services, Software Development, Software Engineering, Back-End Web Development, Development Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, R Programming, R (Software), Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Design, Database Management, Query Languages, Database Management Systems, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
★ 4.3 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Language, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
★ 4.2 (14) · Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), Semantic Web, Web Development Tools, Javascript, Responsive Web Design, Web Content, Web Presence, Verification And Validation
Mixed · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Electrical and Computer Engineering, Electronics Engineering, Electronic Systems, Electronics, Computer Architecture, Computer Engineering, Hardware Architecture, Electronic Components, Computational Logic, System Design and Implementation, Functional Design
★ 4.1 (10) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Design, User Interface (UI), Database Administration, Interactive Design, Workflow Management, Business Software
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Presentations, Microsoft PowerPoint, Oral Expression, Public Speaking, Verbal Communication Skills, Virtual Teams, Target Audience, Productivity Software, Microsoft Office, Communication, Persuasive Communication, Discussion Facilitation, Communication Strategies, Storytelling, Data Storytelling, Business Communication, Planning, Composure, Organizational Skills, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Game Design, Android Development, Unity Engine, Video Game Development, Mobile Development, User Interface (UI) Design, User Interface (UI), UI Components, Debugging, C# (Programming Language), Development Testing, Scripting, Android (Operating System), Development Environment, Animations, Programming Principles, Event-Driven Programming, Software Installation
★ 4.3 (9) · Intermediate · Specialization · 3 - 6 Months