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.

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

Packt
Skills you'll gain: Data Access, Data Analysis, Relational Databases, Databases
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Differentiated Instruction, Education and Training, Diversity Awareness, Cultural Diversity, Digital pedagogy, Special Education, Human Learning, Teaching, Pedagogy, Higher Education, Student-Centred Learning, Instructional Strategies, Social Justice, Socioeconomics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Peripheral Devices, C (Programming Language), System Programming, Program Development, Hardware Architecture, Data Structures, Debugging, Development Environment, C and C++, Performance Tuning, Integrated Development Environments
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Continuous Quality Improvement (CQI), Quality Management Systems, Quality Improvement, Continuous Improvement Process, Supplier Quality Management, Product Quality (QA/QC), Quality Assurance and Control, Quality Assessment, Service Improvement, Quality Assurance, Supplier Management, Drive Engagement, Quality Control, Corrective and Preventive Action (CAPA), Customer experience improvement, Employee Engagement, Supplier Relationship Management, Process Management, Manufacturing Processes
Mixed · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Decision Intelligence, Data Storytelling, Model Training, Automation, Decision Support Systems, AI Product Strategy, Artificial Intelligence, Machine Learning, Innovation, Algorithms, Analysis
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Testing, Test Case, Software Development Life Cycle, Software Quality Assurance, White-Box Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Google Gemini, Digital Marketing, Anthropic Claude, Marketing Strategy and Techniques, Marketing Strategies, Digital Marketing Campaigns, Microsoft Copilot, Email Marketing, Digital Marketing Tools, Social Media Marketing, Search Engine Optimization, Prompt Engineering, Content Optimization, Advertising Campaigns, Content Creation, Market Research, Generative AI, Web Analytics and SEO, Competitive Analysis, Target Audience
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Advertising, Online Advertising, Campaign Planning, Paid media, Digital Analysis, Presentations, Digital Marketing Campaigns, Content Development and Management, Social Media Campaigns, Content Performance Analysis, Advertising Campaigns, Digital Marketing, Search Engine Optimization, Content Strategy, LinkedIn, Social Media Marketing, Target Audience, E-Commerce, Business Analysis, Market Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, System Programming, Software Development Tools, Embedded Systems, Software Development, Debugging, Microarchitecture, Build Tools, Application Security, C (Programming Language), Application Development, Computer Architecture, C++ (Programming Language), System Configuration, Performance Tuning
Intermediate · Course · 1 - 3 Months