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 Michigan
Skills you'll gain: Performance Appraisal, Talent Management, Recruitment Strategies, Workforce Development, Employee Training, Recruitment, Constructive Feedback, Succession Planning, Human Resource Strategy, Talent Pipelining, Employee Performance Management, Performance Management, Leadership Development, Talent Acquisition, Employee Engagement, Organizational Structure, Branding
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Instagram, Email Marketing, Email Automation, Lead Generation, Marketing Automation, Google Sheets, Social Media, Social Media Marketing, Digital Marketing, Gmail
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Pivot Tables And Charts, Data Transformation, Data Visualization Software, Interactive Data Visualization, Data Modeling, Data Presentation, Data Manipulation, Business Intelligence, Microsoft Excel, Microsoft Power Platform, Report Writing, Data Cleansing
Intermediate · Course · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Database Management Systems, Data Migration, Databases, Amazon Web Services, Data Mapping, Database Design, Cloud Platforms, Cloud Applications
Mixed · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Data Security, Dashboard, Tableau Software, Data Cleansing, Data Integration, Extract, Transform, Load, SQL, Personally Identifiable Information, Microsoft Excel, Data Governance, Data Preprocessing, Data Transformation, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Javascript, Event-Driven Programming, Web Development, HTML and CSS, Web Applications, Interactive Design, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Lifecycle Management, Enterprise Architecture, Product Management, Product Strategy, User Research, New Product Development, Scalability, Lean Methodologies, Product Roadmaps, User Centered Design, Product Development, Growth Strategies, Market Opportunities, Innovation, Case Studies, Market Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, Embeddings, PostgreSQL, Relational Databases, SQL, NoSQL, Node.JS, Data Import/Export, Data Processing, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Scalability, Microservices, .NET Framework, Redis, Application Performance Management, Cloud Computing Architecture, Cloud Applications, Databases, System Monitoring, Software Architecture, Distributed Computing, C# (Programming Language), Microsoft Azure, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Storytelling, Presentations, Microsoft PowerPoint, Business Communication, Public Speaking, Verbal Communication Skills, Sales Presentations, Persuasive Communication, Drive Engagement, Target Audience
Intermediate · Course · 1 - 4 Weeks