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.

HubSpot Academy
Skills you'll gain: Lead Generation, HubSpot CRM, Sales Management, Customer Relationship Building, Prospecting and Qualification, Sales Development, Sales Process, Customer Relationship Management (CRM) Software, Dashboard, Project Design, Project Implementation, Campaign Management, Service Level Agreement, Management Reporting, Workflow Management, Prioritization, Performance Reporting, Email Marketing, Performance Metric, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 3 Months

EDUCBA
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, jQuery, Hypertext Markup Language (HTML), Web Design and Development, Javascript, Integrated Development Environments, Web Development Tools, Development Environment, UI Components, User Interface (UI), Event-Driven Programming, Animations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Tools, Continuous Integration, CI/CD, AI Orchestration, AI Integrations, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft 365, Document Management, Productivity Software, Microsoft Windows, Business Writing, Writing and Editing, Web Content, Technical Documentation, Writing, Report Writing, Content Management, Collaborative Software, Business Process Automation, Editing, Productivity, Collaboration, Business Communication, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Skills you'll gain: Market Research, Surveys, Survey Creation, Consumer Behaviour, Sampling (Statistics), Report Writing, Business Research, Research Methodologies, Research Design, Customer Analysis, Research Reports, Case Studies, Statistical Hypothesis Testing, Global Marketing, Marketing, Data Collection, Quantitative Research, Customer Insights, Competitive Analysis, Data Analysis
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Adobe Photoshop, Adobe Creative Cloud, Typography, Video Editing, Motion Graphics, Photo Editing, Graphic and Visual Design, Graphical Tools, Graphics Software, Graphic and Visual Design Software, Computer Graphics, Animations, Graphic Design, Project Management, Computer Graphic Techniques, Scalability, Photography, User Interface (UI), Productivity Software, Automation
Mixed · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: User Accounts, Multi-Factor Authentication, User Provisioning, Identity and Access Management, Zero Trust Network Access, AWS Identity and Access Management (IAM), Account Management, Authorization (Computing), Authentications, Security Controls, Security Assertion Markup Language (SAML), Security Management, Security Awareness, Security Software, Security Testing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Brand Awareness, Branding, Brand Strategy, Style Guides, Brand Loyalty, Logo Design, Brand Marketing, Brand Management, Digital Design, Auditing, Typography, Digital Brand Strategy, Content Strategy, Graphic and Visual Design, Stakeholder Communications, Design Reviews, Case Studies, Report Writing, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Typography, Photo Editing, Creative Design, Digital Design, Image Quality, Graphic and Visual Design, Photo/Video Production and Technology, Adobe Creative Cloud, Image Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Mapping, File Transfer Protocol (FTP), Middleware, Transaction Processing, Verification And Validation, Data Integration, Fraud detection, Web Services, Integration Testing, Data Validation, Simple Object Access Protocol (SOAP), Development Testing, Enterprise Architecture, Business Process Automation, Process Driven Development, Process Modeling, Oracle Databases, API Testing, Enterprise Application Management, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Budget Management, Cost Control, Budgeting, Variance Analysis, Cost Management, Operating Budget, Financial Planning, Cash Management, Capital Budgeting, Resource Allocation, Capital Expenditure, Performance Measurement
Mixed · Course · 1 - 4 Weeks