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 California, Santa Barbara
Skills you'll gain: Corporate Tax, Tax Management, Tax Compliance, Tax Planning, Income Tax, Tax, Tax Preparation, Tax Laws, Tax Returns, Corporate Accounting, Accounting, Depreciation, Organizational Structure, Expense Management, Compensation Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, jQuery, Keyword Research, Application Deployment, Content Optimization, Program Development, Object Oriented Programming (OOP), Web Servers, Data Validation
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Systems, Data Modeling, Database Management Systems, Metadata Management, Database Management, Databases, Database Administration, Data Management, Relational Databases, Database Architecture and Administration, Unified Modeling Language, Data Governance, Data Integrity, Data Quality, Data Mapping, Dependency Analysis
Build toward a degree
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Amazon Redshift, AWS Identity and Access Management (IAM), AWS SageMaker, Amazon Web Services, AWS Kinesis, Amazon DynamoDB, Identity and Access Management, Amazon S3, Encryption, Data Infrastructure, Data Pipelines, Apache Spark, Dataflow, Big Data, Apache Hive, Data Storage Technologies, Kibana, Data Visualization Software, Data Storage, Data Visualization
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Customer Insights, Power BI, Customer Analysis, Dashboard, Data Modeling, Dashboard Creation, Data Transformation, Data Import/Export, Interactive Data Visualization, Business Intelligence, Time Series Analysis and Forecasting, Data Cleansing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

Universidades Anáhuac
Skills you'll gain: Case Studies, Critical Thinking, Critical Thinking and Problem Solving, Recognizing Others, Decision Making, Research, Problem Solving, Complex Problem Solving, Strategic Decision-Making, Communication, Analysis, Collaboration, Team Oriented, Proposal Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Git (Version Control System), GitHub, Android (Operating System), Android Development, Unity Engine, Animations, Software Versioning, C# (Programming Language), Video Game Development, User Interface (UI), Mobile Development, Scripting, Application Deployment, Scripting Languages, C and C++, Code Reusability, Game Design, Software Installation, User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Extensible Languages and XML, Event-Driven Programming, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Execution Engine, Test Script Development, Test Case, Test Engineering, Software Testing, Debugging, Scalability, Test Planning, Application Frameworks, Maintainability, Automation, Code Reusability, Software Architecture, Software Design Patterns, Configuration Management, Package and Software Management
Intermediate · Course · 1 - 3 Months