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: Image Analysis, Data Cleansing, Quality Assurance, Quality Assessment, Packaging and Labeling, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Android Studio, Restful API, Version Control, User Research, Usability Testing, Git (Version Control System), Data Structures, Jest (JavaScript Testing Framework), Unix Commands, Android Jetpack, Android Development, Persona (User Experience), GitHub, Interaction Design, Kotlin, User Experience Design, User Interface (UI), Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Teamwork, Business Writing, Constructive Feedback, Conflict Management, Collaboration, Team Building, Diversity Awareness, Business Correspondence, Business Communication, Recognizing Others, Decision Making, Writing, Organizational Skills, Interpersonal Communications, Social Skills, Team Motivation, Tactfulness, Performance Management, Staff Management, Grammar
Beginner · Specialization · 3 - 6 Months

JetBrains
Skills you'll gain: Kotlin, Java, Java Programming, IntelliJ IDEA, Object Oriented Programming (OOP), Android Development, Interoperability, Mobile Development, Integrated Development Environments, Computer Programming, Performance Tuning, Functional Design, Code Review, Programming Principles, Maintainability, Unit Testing, Scripting, Software Development, Development Environment
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Software Development Life Cycle, Unified Modeling Language, Object Oriented Programming (OOP), Build Tools, CI/CD, Object Oriented Design, Software Development Methodologies, Jenkins, Continuous Integration, Agile Methodology, Software Development Tools, Version Control, Software Design Patterns, Software Development, Test Driven Development (TDD), Computational Thinking, Cloud Development, Continuous Delivery, Programming Principles
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Eclipse (Software), Java Programming, Object Oriented Programming (OOP), Java, Integrated Development Environments, Development Environment, Computer Programming, Debugging, Virtual Machines, Algorithms
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Instagram, Video Editing, Content Performance Analysis, Drive Engagement, Storytelling, Social Media Content, Canva (Software), Design, Content Creation, Graphic and Visual Design, Competitive Analysis, Video Production, Social Media Management, Social Media, Photo/Video Production and Technology, Photo Editing, Content Strategy, Analytics, Visual Design, Marketing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SAP S/4HANA, Relationship Building, Project Management, Test Script Development, Software As A Service, Consultative Approaches, Enterprise Architecture, ABAP RESTful Programming Model (RAP), Solution Architecture, Enterprise Resource Planning, System Design and Implementation, Product Roadmaps, Workforce Development, Project Implementation, Project Closure, Test Planning, Requirements Analysis, Stakeholder Communications, Company, Product, and Service Knowledge, Rapport Building
Beginner · Professional Certificate · 3 - 6 Months

University of Virginia
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Marketing Strategies, Regression Analysis, Marketing Budgets, Data-Driven Decision-Making, Strategic Marketing, Brand Management, Resource Allocation, Customer Analysis, Customer Insights, Predictive Analytics, Statistical Analysis, A/B Testing, Consumer Behaviour, Return On Investment
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

Indian School of Business
Skills you'll gain: Financial Statements, Peer Review, Financial Statement Analysis, Financial Trading, Balance Sheet, Portfolio Management, Income Statement, Data Collection, Market Liquidity, Investment Management, Financial Analysis, Performance Analysis, Project Design, Market Analysis, Financial Market, Accruals, Business Planning, Securities Trading, Market Dynamics, Performance Measurement
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, Model Evaluation, Content Creation
Beginner · Course · 1 - 4 Weeks