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.

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Tableau Software, Interactive Data Visualization, Financial Reporting, Financial Data, Business Reporting, Financial Statements, Business Intelligence, Financial Statement Analysis, Financial Analysis, Data Visualization Software, Performance Analysis, Key Performance Indicators (KPIs)
Intermediate · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Culture Transformation, Innovation, Organizational Change, Business Transformation, Strategic Leadership, Strategic Planning, Business Communication, Change Management, Organizational Leadership, Organizational Structure, Business Planning, Competitive Analysis, Business Writing, Leadership, Business Analysis, Business Strategy, Presentations, Financial Analysis, Project Planning, Financial Planning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Platform As A Service (PaaS), Containerization, Serverless Computing, Cloud Platforms, Docker (Software), Cloud Management, Cloud Computing Architecture, Cloud Computing, Information Management, Cloud Infrastructure, Cloud Security, Cloud Deployment, Application Deployment, Model Deployment, DevOps, Amazon Web Services, Data Management, Database Management Systems, Microservices, Machine Learning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Training and Development, Developing Training Materials, Training Programs, Responsible AI, Human Resources Management and Planning, Human Resource Strategy, Human Resources, Generative AI Agents, Employee Training, Employee Performance Management, Employee Engagement, AI Personalization, Employee Surveys, Performance Review, Performance Management, Performance Analysis, Artificial Intelligence and Machine Learning (AI/ML), Survey Creation, Data Analysis, Surveys
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Data Storytelling, Dashboard, Data Presentation, Data Analysis, Data Literacy, No-Code Development, Data Science, Predictive Modeling, Data Ethics, Data Capture, Data Modeling, Data Processing, Data Transformation, Data Integrity, Data Cleansing, Applied Machine Learning, Data Governance, Data Collection, Data Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Data Management, Database Design, SQL, Databases, Database Administration, Query Languages, Database Architecture and Administration, Data Integrity, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Data Architecture, Advanced Analytics, Data Warehousing, Data Cleansing, Text Mining, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Usability, User Experience Design, Web Design, UI Components, Wireframing, Prototyping, Mockups, Data Sharing, AI Workflows
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Stored Procedure, Object-Relational Mapping, SQL, Database Management, Relational Databases, .NET Framework, Query Languages, Databases, ASP.NET, Data Modeling, C# (Programming Language), Data Access, Performance Tuning, Data Migration, Microsoft Visual Studio
Intermediate · Course · 1 - 3 Months