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: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Personally Identifiable Information, Identity and Access Management, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Computer Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Statistical Methods, Advanced Analytics, Statistical Analysis, Correlation Analysis, Data Analysis, Report Writing, Probability & Statistics, Analytical Skills, Data-Driven Decision-Making, Health Information Management and Medical Records, Business Process Automation
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Web Content Accessibility Guidelines, Semantic Web, HTML and CSS, User Interface (UI), Usability, Web Design, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Infographics, Diagram Design, Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Multimedia, Collaborative Software, Developing Training Materials, Data Sharing, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: UI Components, HTML and CSS, Extensible Markup Language (XML), Cascading Style Sheets (CSS), Verification And Validation, Interactive Design, User Interface (UI), Web Design and Development, Web Content Accessibility Guidelines, Web Development, Web Design, Interaction Design, Data Validation, Debugging, Development Testing, Maintainability
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Climate Change Adaptation, Health Disparities, Health Equity, Environmental Issue, Advocacy, Social Determinants Of Health, Environmental Science, Health Education, Community Health, Resilience, Adaptability, Collaboration, Health Care, Public Health, Health Systems, Climate Change Mitigation, Sustainable Systems, Patient Communication, Healthcare Industry Knowledge, Leadership Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

AI Business School
Skills you'll gain: Prompt Engineering, Generative AI, Project Design, Training Programs, AI Enablement, Artificial Intelligence, Brainstorming, Marketing Analytics, Personalized Service, Content Creation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Financial Data, Financial Analysis, Data-Driven Decision-Making, Financial Statements, Text Mining, Market Intelligence, Unstructured Data, Financial Market, Artificial Intelligence, Analysis, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Business Logic, Application Deployment, Decision Support Systems, Business Process Automation, Test Case, Verification And Validation, Automation, Program Development, Computer Programming, Docker (Software), Model Evaluation, Complex Problem Solving, Application Programming Interface (API)
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Threat Management, Threat Detection, Infrastructure Security, Software-Defined Networking, Network Performance Management, Network Architecture, Network Planning And Design, Cloud-Based Integration, Network Administration, Network Routing, Wide Area Networks, Network Security, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Computer Networking, Local Area Networks
Beginner · Specialization · 1 - 3 Months