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.

Skills you'll gain: Node.JS, Responsive Web Design, JSON, jQuery, Restful API, HTML and CSS, Bootstrap (Front-End Framework), API Design, GitHub, Git (Version Control System), Postman API Platform, Web Design, Hypertext Markup Language (HTML), MongoDB, Back-End Web Development, Full-Stack Web Development, Cascading Style Sheets (CSS), Web Design and Development, Scripting, Browser Compatibility
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Nursing, Science and Research, Clinical Research, Scientific Methods, Clinical Research Ethics, Medical Science and Research, Biostatistics, Epidemiology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Negotiation, Influencing, Persuasive Communication, Communication, Collaboration, Relationship Building, Decision Making, Active Listening, Self-Awareness, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Computational Logic, Scripting Languages, Programming Principles, Web Development Tools, Data Structures, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Data Warehousing, Data Security, Data Visualization Software, Pivot Tables And Charts, Performance Tuning, Business Intelligence, Excel Formulas, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks
Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, Open Shortest Path First (OSPF), Virtual Private Networks (VPN), Wide Area Networks, Network Architecture, Network Troubleshooting, TCP/IP, Network Planning And Design, Network Administration, Network Monitoring, System Configuration, Continuous Monitoring, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Cloud Applications, Ruby on Rails, Cloud Deployment, Application Deployment, PostgreSQL, CI/CD, Object-Relational Mapping, Database Development, Cloud Storage, Database Application, Secure Coding, Relational Databases, Data Management
Intermediate · Project · Less Than 2 Hours

Alfaisal University | KLD
Skills you'll gain: Personal Attributes, Collaboration, Organizational Effectiveness, Initiative and Leadership, Growth Mindedness, Team Oriented, Strategic Leadership, Leadership, Business Leadership, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Cyber Security Strategy, Security Controls, Security Awareness, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Equity, Health Disparities, Social Determinants Of Health, Health Policy, Public Health, Community Health, Epidemiology, Patient Education And Counseling, Health Care, Research Design, Program Evaluation, Cultural Diversity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, ChatGPT, Social Media Content, Content Strategy, Prompt Engineering, Target Audience, Social Media Campaigns, Social Media Marketing, Content Creation, Drive Engagement, Social Media Strategy, Market Research, Copywriting, Storytelling
Intermediate · Guided Project · Less Than 2 Hours