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.

Coursera
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Market Analysis, Competitive Analysis, Marketing, Key Performance Indicators (KPIs), Market Research, Target Audience, Target Market, Dashboard, Return On Investment, Value Propositions, Smart Goals, Business Strategy, Cross-Channel Marketing, Concision, Variance Analysis, Strategic Partnership, Data Collection, Strategic Decision-Making
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Application, Database Management, Databases, Data Integration, Data Management, Information Management, Data Entry, Microsoft 365, Microsoft Office, Query Languages, User Interface (UI), Productivity Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Brainstorming, Prioritization, Productivity, Goal Setting, Mindfulness, Stress Management, Mental Concentration, Growth Mindedness, Creativity, Creative Problem-Solving, Time Management, Organizational Skills, Planning, Personal Development, Self-Motivation, Resilience, Self-Awareness, Adaptability, Collaborative Software
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Apache Spark, Apache Hadoop, Scala Programming, Spring Boot, Development Environment, Apache, JSON, Data Processing, Information Architecture, Live Streaming, Data Transformation, Java, Restful API, Performance Tuning, Software Architecture, Data Validation, System Configuration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Amazon DynamoDB, Cloud Deployment, Infrastructure as Code (IaC), Databases, Database Systems, Microservices, Cloud Security, User Provisioning, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Design, Software Design, User Interface and User Experience (UI/UX) Design, Application Development, Front-End Web Development, Performance Tuning, Software Design Patterns, Real Time Data, API Design, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality Assurance, Application Programming Interface (API), Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Enablement, HR Tech, Artificial Intelligence, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Java, Application Design, Application Development, Databases, Development Environment, Data Validation, Debugging, Program Development, Data Modeling, Transaction Processing, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Data Maintenance, Configuration Management, System Configuration, Data Management, Data Storage, Data Integrity, Database Management, Performance Tuning, System Monitoring, Data Pipelines, Disaster Recovery, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache, PHP (Scripting Language), Web Development, Development Testing, Web Servers, Full-Stack Web Development, Development Environment, Server Side, Web Applications, HTML and CSS, Email Automation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Embedded Systems, Internet Of Things, Embedded Software, Network Protocols, Wireless Networks, Computer Hardware, Network Architecture, System Software
Mixed · Course · 1 - 4 Weeks