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.

Northeastern University
Skills you'll gain: Agile Software Development, Agile Methodology, Scaled Agile Framework, Agile Project Management, Conflict Management, Leadership, Sprint Planning, Scrum (Software Development), Project Planning, Team Building, Software Development Life Cycle, Prioritization, Backlogs, Sprint Retrospectives, Kanban Principles, User Story, Lean Methodologies, Communication, Continuous Improvement Process
Mixed · Course · 1 - 3 Months

Skills you'll gain: Logistic Regression, SAS (Software), Predictive Analytics, Advanced Analytics, Model Evaluation, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Modeling, Exploratory Data Analysis, Correlation Analysis, Statistical Methods, Small Data, Statistical Hypothesis Testing, Probability & Statistics, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Generative AI Agents, LLM Application, Data Persistence, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Retrieval-Augmented Generation, AI Personalization, Artificial Intelligence, Data Storage, Embeddings, Context Management, Vector Databases, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, Core Data (Software), Application Design, Swift Programming, Apple Xcode, User Interface (UI), Mobile Development, Data Store, Machine Learning Software, Software Architecture, Performance Tuning, Database Development, Database Management, Software Design, Model View Controller, User Interface and User Experience (UI/UX) Design, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software-Defined Networking, Wide Area Networks, Cloud Deployment, Network Infrastructure, Data Centers, Network Planning And Design, Scalability, Configuration Management, Data Migration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Analysis, Risk Management Framework, Decision Making, AI Enablement, Continuous Deployment, Project Management Software, Strategic Decision-Making, Operational Analysis, Release Management, Project Planning, Predictive Modeling, A/B Testing, Business Priorities, Operational Efficiency, Algorithms, Experimentation, Advanced Analytics, Procedure Development, Product Planning, Product Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Web Analytics and SEO, Marketing Analytics, Analytics, Technical Documentation, Technical Communication, Performance Metric, Data Analysis, Data-Driven Decision-Making, Team Oriented, Data Presentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Application Lifecycle Management, UI Components, Application Design, Apple Xcode, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Mobile Development, Web Services, Secure Coding, Authentications, User Interface (UI) Design, Programming Principles, Data Validation, Data Management, JSON
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Root Cause Analysis, Data Security, Problem Management, Systems Analysis, Site Reliability Engineering, Capacity Management, Resource Management, Identity and Access Management, Role-Based Access Control (RBAC), Compliance Auditing
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Project Scoping, Project Management, Scope Management, Project Risk Management, Team Oriented, Agile Project Management, Project Planning, Leadership and Management, Risk Management, Team Leadership, Leadership, Leadership Development, Microsoft Office, Microsoft Excel, Microsoft Word
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Slack (Software), Marketing Materials, Marketing Design, Shared Media, Multimedia, Content Creation, Social Media Content, Graphic Design, Calendar Management, Content Marketing, User Accounts, Business Communication, Marketing Communications, Cloud-Based Integration, Team Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Model Deployment, Tensorflow, Image Analysis, Convolutional Neural Networks, Feature Engineering, Data Preprocessing, Deep Learning, Applied Machine Learning, Application Development, Recurrent Neural Networks (RNNs), Model Evaluation
Mixed · Course · 1 - 4 Weeks