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: Fine-tuning, Model Evaluation, Context Engineering, LLM Application, Token Optimization, Large Language Modeling, Hugging Face, Transfer Learning, Model Optimization, Model Training, Context Management
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Organizational Change, Change Management, Organizational Leadership, Leadership and Management, Organizational Development, People Management, Team Leadership, Business Transformation, Leadership, Communication Strategies, Organizational Structure, Culture Transformation, Strategic Leadership, Cross-Functional Team Leadership, Team Management, Advocacy, Influencing, Empowerment, Culture, Innovation
★ 4.9 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, 3D Modeling, Animation and Game Design, Computer Graphics, Visualization (Computer Graphics), Computer Graphic Techniques, Storytelling, Post-Production, Graphical Tools, Fine-tuning, Creativity
Advanced · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Git (Version Control System), Version Control, DevSecOps, Devops Tools, DevOps, CI/CD, Open Web Application Security Project (OWASP), Continuous Delivery, IT Automation, Collaborative Software, Continuous Integration, Agile Methodology, Secure Coding, Application Security, Continuous Deployment, Security Software, Agile Software Development, Automation, Real Time Data, Control Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animation and Game Design, Game Design, Animations, Video Game Development, Artificial Intelligence, 3D Assets, Computer Graphic Techniques, Event-Driven Programming, Build Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hedge Accounting, Fund Accounting, Risk Analysis, Investment Management, Operational Analysis, Risk Management, Compensation Analysis, Accounting, Compensation Management, Organizational Structure, Performance Measurement, Performance Analysis
★ 4.9 (18) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Theoretical Computer Science, Software Development, Data Structures, Computer Programming, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Mainframe Computing, Computer Architecture, Mainframe Technologies, System Programming, Computational Logic, Programming Principles, Computer Programming, Computer Science, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object-Relational Mapping, Hibernate (Java), Apache Maven, Model View Controller, Spring Framework, Relational Databases, Database Design, MySQL, Databases, Java Programming, Full-Stack Web Development, Database Application, Authentications, Java Platform Enterprise Edition (J2EE), Web Applications, Back-End Web Development, Data Validation, Data Modeling, Data Access
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, Intercompany Accounting, Accounting Systems, Inventory Accounting, Technical Accounting, Specialized Accounting, Ledgers (Accounting), Accounting Records, Accounting, Profit and Loss (P&L) Management, Financial Accounting, Financial Reporting, Auditing, General Ledger, Accounts Receivable, Consolidation, Invoicing, International Finance, Performance Analysis, Organizational Structure
★ 4.9 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Validation, SQL, Extract, Transform, Load, Data Transformation, JSON, Data Processing, Data Warehousing, Data Integration, Data Integrity, Performance Testing, Performance Tuning, Data Quality, Verification And Validation, Dashboard, Scripting, Systems Integration, Dimensionality Reduction
Advanced · Course · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Artificial Intelligence, Agentic systems, Algorithms, Game Design, Video Game Development, Program Development
Intermediate · Guided Project · Less Than 2 Hours