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.

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Data Visualization, Data Science, Pandas (Python Package), Data Analysis, Python Programming, Public Policies, Jupyter, Natural Language Processing, Programming Principles, Web Applications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Organizational Development, Leadership Studies, Organizational Change, Change Management, Organizational Effectiveness, Organizational Leadership, Organizational Structure, Program Evaluation, User Feedback, Interpersonal Communications, Performance Improvement, Organizational Strategy, Gap Analysis, Business Transformation, Constructive Feedback, Decision Support Systems, Data Collection
Mixed · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Back-End Web Development, Go (Programming Language), Data Structures, Data Store, Data-oriented programming, Computational Logic, Scripting, Programming Principles, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Cascading Style Sheets (CSS), HTML and CSS, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Design and Development, Web Design, Web Development, Web Content, Front-End Web Development, Web Applications, Design, JavaScript Frameworks, Interactive Learning
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Routers, Network Planning And Design, Network Troubleshooting, Network Monitoring, Network Administration
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Competitive Intelligence, Keyword Research, Performance Analysis, Market Intelligence, Market Analysis, Web Analytics, Auditing, Gap Analysis, Issue Tracking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pinterest, Advertising Campaigns, Content Performance Analysis, Marketing Analytics, Social Media Content, Content Strategy, Social Media Marketing, Content Scheduling, Paid media, Social Media Campaigns, Marketing Strategies, Social Media, Marketing Automation, Social Media Strategy, Marketing, Social Media Analytics, Content Marketing, Digital Marketing Tools, Business Marketing, Promotional Strategies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Video Game Development, Game Design, Code Reusability, Python Programming, Debugging, Development Testing, Animation and Game Design, Software Testing, Programming Principles, Event-Driven Programming, Functional Testing, Computer Graphics, User Interface (UI), Development Environment
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Agentic systems, Tool Calling, Agentic Workflows, Generative AI Agents, Gemini, Google Gemini, LLM Application, AI Integrations, OpenAI, Middleware, Angular, Development Environment, Server Side, Systems Architecture, Node.JS, Frontend Integration, Debugging, Data Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon S3, Amazon Elastic Compute Cloud, Identity and Access Management, AWS CloudFormation, Amazon Web Services, Amazon DynamoDB, Serverless Computing, Containerization, AWS Kinesis, Amazon CloudWatch, Application Deployment, Databases, Cloud Computing Architecture, Scalability, Docker (Software), Amazon Redshift, User Provisioning, Infrastructure as Code (IaC), Cloud-Native Computing
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Dashboard Creation, Interactive Data Visualization, Devops Tools, Cloud Deployment, Business Metrics, Kubernetes, Microservices, Distributed Computing, Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Team Performance Management, Constructive Feedback, Recognizing Others, De-escalation Techniques, Performance Review, Employee Coaching, Employee Performance Management, Performance Appraisal, Supervision, Performance Management, Coaching, Team Leadership, Team Building, People Development, Team Motivation, Motivational Skills, Delegation Skills, Performance Improvement, Mentorship, Human Resources
Beginner · Course · 1 - 4 Weeks