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.

Packt
Skills you'll gain: Robotics, Robotic Process Automation, Middleware, Simulation and Simulation Software, Configuration Management, Extensible Markup Language (XML), System Programming, C++ (Programming Language), Development Environment, Software Visualization, Command-Line Interface, Hardware Design, Electronic Hardware
Beginner · Course · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, GitHub, Code Review, AI Personalization, Software Development, Generative AI, Artificial Intelligence, Web Development Tools, Web Development, Software Engineering, Responsible AI, Design Software, Front-End Web Development, Javascript, React.js
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Infrastructure, Data Storage, Database Administration, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Data Persistence, Metadata Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Code Reusability, Data Manipulation, Functional Design, Data Science, Python Programming, Programming Principles, Computer Programming, Software Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Adobe Express, Branding, Brand Strategy, Collaborative Software, Graphic Design, Visual Storytelling, Typography, Visual Design, Asset Management, Content Creation, Design Elements And Principles, Color Theory, Storytelling
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Forecasting, Regression Analysis, Excel Formulas, Statistical Analysis, Data Analysis Software, Time Series Analysis and Forecasting, Spreadsheet Software, Data Visualization, Statistical Methods, Advanced Analytics, Financial Forecasting, Data Analysis, Statistical Hypothesis Testing, Probability & Statistics, Predictive Modeling, Statistical Inference, Statistical Modeling, Variance Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Database Design, MySQL Workbench, Database Development, MySQL, Relational Databases, Databases, SQL, Database Management, Query Languages, Data Manipulation, Data Migration
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Cyber Security Assessment, Information Systems
Mixed · Course · 1 - 3 Months

Skills you'll gain: Database Application, Project Schedules, Milestones (Project Management), Database Software, Calendar Management, Databases, Relational Databases, Project Management, Content Management Systems, Client Support, Process Management, Project Documentation, Document Management, Process Improvement and Optimization, User Accounts
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Conflict Management, Assertiveness, Leadership, Professional Development, Leadership Development, Leadership and Management, Discussion Facilitation, Interpersonal Communications, De-escalation Techniques, Emotional Intelligence, People Management, Verbal Communication Skills, Communication Strategies, Communication, Team Performance Management, Constructive Feedback, Empathy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Interface (UI), Embedded Software, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, Interaction Design, Real-Time Operating Systems, Hypertext Markup Language (HTML), Internet Of Things, jQuery, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Graphic and Visual Design, Adobe Creative Cloud, Graphic Design, Logo Design, Graphics Software, Graphic and Visual Design Software, Computer Graphic Techniques, Digital Design
Intermediate · Guided Project · Less Than 2 Hours