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.

L&T EduTech
Skills you'll gain: Low Voltage, Network Infrastructure, Telecommunications, Authentications, System Monitoring, Electrical Systems, Systems Design, Infrastructure Security, Security Controls, Identity and Access Management, Systems Integration, General Networking, Continuous Monitoring, Network Security, Electrical Equipment, Authorization (Computing), Systems Architecture, Communication Systems, Display Devices, Electrical Safety
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adaptability, Communication, Leadership Development, Performance Measurement, Drive Engagement, Leadership, Communication Strategies, Organizational Leadership, Team Leadership, Key Performance Indicators (KPIs), Strategic Leadership, Business Leadership, Recognizing Others, Detail Oriented, Strategic Communication, Team Motivation, Business Metrics, Leadership and Management, Professional Development, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Photoshop, Marketing Collateral, Marketing Design, Animations, Photo Editing, Brand Marketing, Branding, Graphic and Visual Design, Brand Awareness, Marketing Materials, Typography, Social Media, Digital Design, Social Media Content, Photo/Video Production and Technology, Layout Design, Video Editing, Timelines, Image Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bank Regulations, Banking, Credit Risk, Risk Management Framework, Operational Risk, Risk Management, Lending and Underwriting, Compliance Management, Financial Regulation, Regulatory Compliance, Risk Control, Risk Appetite, Risk Analysis, Governance, Governance Risk Management and Compliance, Business Risk Management, Portfolio Risk, Internal Controls, Risk Mitigation, Business
★ 4.9 (19) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Timelines, Project Schedules, Database Design, Workflow Management, Milestones (Project Management), Project Management Software, Database Software, Databases, Relational Databases, Database Management, Client Services, Productivity Software, Project Management, Client Support, Process Management, Collaborative Software, Project Documentation, Process Improvement and Optimization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Continuity, Business Continuity Planning, Audit Planning, Technology Strategies, Auditing, Disaster Recovery, Contingency Planning, Information Technology, Network Planning And Design, Internal Auditing, Organizational Effectiveness, Incident Response, IT Service Management, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Support, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Planning And Design, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Debugging, C# (Programming Language), Video Game Development, Virtual Reality, 3D Assets, Game Design, Animation and Game Design, Application Programming Interface (API), Scripting, Programming Principles, Development Environment, Event-Driven Programming, User Interface and User Experience (UI/UX) Design, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, Model Deployment, AI Workflows, Agentic Workflows, Generative AI Agents, AI Integrations, Agentic systems, Artificial Intelligence, Prompt Engineering, Generative AI, Product Support, Memory Management
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Databases, Database Management Systems
★ 4.6 (11) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Threat Modeling, IT Security Architecture, Network Security, Security Architecture Review, Internet Of Things, Identity and Access Management, Encryption, Cybersecurity, Security Controls, Threat Management, Cloud Security, Vulnerability Assessments, Cloud Solutions, Cryptographic Protocols, Systems Architecture, Cloud Services, Cloud Deployment, Cryptography, Information Privacy
Intermediate · Course · 1 - 4 Weeks