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.

John Wiley & Sons
Skills you'll gain: Cyber Threat Intelligence, Threat Management, Threat Detection, Cybersecurity, Security Testing, IT Security Architecture, Cyber Security Assessment, Cyber Security Strategy, Security Strategy, Security Management, Cyber Risk, Risk Management Framework, Risk Management, Information Systems Security, Vulnerability Scanning, Vulnerability Assessments, Security Controls, Penetration Testing, Incident Response, Vendor Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wealth Management, Tax Management, Tax Planning, Estate Planning, Tax Compliance, Financial Planning, Tax, Income Tax, Tax Preparation, Tax Laws, Financial Data, Financial Forecasting, Financial Modeling, Depreciation, Asset Management, Compensation and Benefits, Excel Formulas, Goal Setting
Mixed · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Podcasting, Earned Media, Blogs, Search Engine Optimization, Brand Awareness, Web Presence, Product Promotion, Media Relations, Public Relations, Brand Management, Promotional Strategies, Lead Generation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Animations, Performance Tuning, Image Quality
Mixed · Course · 1 - 3 Months

Skills you'll gain: Recruitment, Talent Recruitment, Recruitment Strategies, Full Cycle Recruitment, Human Resources Management and Planning, Human Resource Management, Talent Acquisition, Human Resources, Talent Pipelining, Interviewing Skills, Talent Sourcing, Human Resources Information System (HRIS), Ethical Standards And Conduct, Test Tools
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Windows PowerShell, Web Services, Scripting, Remote Access Systems, Shell Script, Simple Object Access Protocol (SOAP), Debugging, IT Automation, Scripting Languages, .NET Framework, Restful API, Microsoft Windows, Data Structures, Programming Principles, Windows Servers, Object Oriented Programming (OOP), Computational Logic, User Interface (UI)
Beginner · Course · 3 - 6 Months

Packt
Skills you'll gain: Deepseek, DeepSeek API, LLM Application, Model Deployment, Generative AI Agents, Prompt Engineering, AI Workflows, Tool Calling, OpenAI, AI Orchestration, Agentic Workflows, Large Language Modeling, Fine-tuning, Prompt Patterns, Legal Technology, Model Optimization, Model Training, Gemini, Deep Learning, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Transfer Learning, Model Optimization, Convolutional Neural Networks, Deep Learning, Keras (Neural Network Library), Fine-tuning, Tensorflow, Artificial Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), PyTorch (Machine Learning Library), Image Analysis, Model Training, Machine Learning Methods, Applied Machine Learning, Natural Language Processing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Containerization, LangChain, Microservices, Application Deployment, Cloud Deployment, Docker (Software), Cloud-Native Computing, Model Deployment, Kubernetes, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), AI Orchestration, AI Integrations, Distributed Computing, Site Reliability Engineering, Prometheus (Software), API Design, Scalability, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jira (Software), Dashboard Creation, Sprint Retrospectives, Performance Metric, Performance Reporting, Team Performance Management, Business Metrics, Organizational Effectiveness, Performance Improvement, Issue Tracking, Continuous Improvement Process, Taking Meeting Minutes, Record Keeping
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Delegation Skills, Accountability Frameworks, People Development, Team Performance Management, Management Training And Development, Follow Through, Team Building, Accountability, Constructive Feedback, Team Management, Leadership Development, Team Leadership, Leadership, Empowerment, Project Implementation, Project Design, Productivity, Performance Improvement
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Due Diligence, Business Valuation, Entrepreneurship, Fundraising and Crowdsourcing, Business Ethics, Sales Strategy, Contract Negotiation, Grant Applications, Price Negotiation, Environmental Social And Corporate Governance (ESG), Legal Risk, Tax Management, Tax, Risk Management, Organizational Structure, Research and Design
Intermediate · Course · 1 - 3 Months