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.

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Statistical Inference, Data Analysis, Quantitative Research, Correlation Analysis, Regression Analysis, Logistic Regression, Research Design, Probability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Unit Testing, Node.JS, Hardening, Application Performance Management, Authentications, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Postman API Platform, Application Programming Interface (API), Server Side, Application Deployment, Security Testing, Web Development Tools, JSON, MongoDB, GitHub
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Relational Databases, Database Management Systems, Database Management, Database Theory, SQL, Database Design, Databases, Database Administration, MySQL, Data Store, NoSQL, Query Languages, Data Integrity
Beginner · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Structural Engineering, Structural Analysis, Mechanical Design, Mechanical Engineering, Engineering Design Process, Engineering Analysis, Engineering Calculations, Engineering, Mechanics, Engineering Practices, Civil Engineering, Schematic Diagrams, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon Bedrock, AWS Identity and Access Management (IAM), Identity and Access Management, Retrieval-Augmented Generation, Large Language Modeling, Responsible AI, Cloud Computing Architecture, Generative Model Architectures, Cloud Solutions, Generative AI, Amazon Web Services, Cloud Computing, Cloud Services, Cloud Technologies, Generative AI Agents, AWS CloudFormation, AI Security, Agentic Workflows, Governance, Amazon CloudWatch
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Marketing, Cross-Channel Marketing, Email Security, Marketing Strategies, HubSpot CRM, Risk Mitigation, Authentications, Marketing Channel, Persona Development, AI Personalization, Campaign Management, Integrated Marketing Communications, Compliance Management, Governance Risk Management and Compliance, Risk Analysis, Compliance Auditing, Data Governance, General Data Protection Regulation (GDPR), Data Security, Data Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Google Analytics, Dashboard Creation, A/B Testing, Prompt Engineering, Dashboard, Data Storytelling, Customer Retention, Data Presentation, Customer Relationship Management (CRM) Software, Performance marketing, Paid media, Email Marketing, Web Analytics, Data-Driven Marketing, Marketing Budgets, Forecasting, Marketing Analytics, Generative AI, Marketing Effectiveness, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Teamwork, Team Management, Team Leadership, Team Building, Team Performance Management, Collaboration, Virtual Teams, Behavior Management, Team Collaboration, Decision Making, Leadership, Team Motivation, Organizational Structure, Leadership Development, Conflict Management, Critical Thinking, Productivity, Problem Solving, Communication Strategies, Communication
Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Operations Management, Operations, Process Design, Operational Excellence, Business Operations, Consumer Behaviour, Marketing Planning, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Competitive Analysis, Business Ethics, Marketing, Social Sciences, International Relations, Culture, Data-Driven Marketing, Business Management, Business, Sustainable Business
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Modeling, Investment Management, Financial Market, Risk Management, Market Liquidity, Risk Management Framework, Risk Analysis, Investments, Finance, Performance Measurement, Construction, Construction Management, Advanced Analytics, Budgeting, Performance Testing, Stress Management, Analytics, Design
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Star Schema, Power BI, Data Modeling, Data Analysis Expressions (DAX), Model Optimization, Snowflake Schema, Database Design, Performance Tuning, Data Analysis, Business Intelligence, Data Visualization, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

Sage Publications
Skills you'll gain: Human Resource Management, Human Resources, Human Resources Management and Planning, Human Resource Strategy, Human Capital, People Analytics, Human Resources Information System (HRIS), HR Tech, Human Resource Policies, Business Ethics, Workforce Development, Workforce Planning, Employee Relations, Performance Management, Organizational Strategy, Employee Performance Management, Strategic Leadership, Ethical Standards And Conduct, Employee Engagement, Talent Acquisition
Beginner · Course · 1 - 3 Months