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.

Johns Hopkins University
Skills you'll gain: Database Management, Database Architecture and Administration, Apache Hadoop, Database Theory, Query Languages, Database Management Systems, Big Data, Databases, SQL, Data Access, Distributed Computing, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Automation, Test Tools, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Procurement, Order Processing, Order Entry, Operations, Supplier Relationship Management, Standard Operating Procedure, Material Requirements Planning, Contract Compliance, Business Communication, Cross-Functional Collaboration
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Interpersonal Communications, Business Communication, Verbal Communication Skills, Communication, Internal Communications, Communication Strategies, Corporate Communications, Social Skills, Collaboration, Conflict Management, Non-Verbal Communication, Active Listening, Relationship Building, Organizational Structure, Mediation, Customer Relationship Building, Contract Negotiation, Organizational Development, Negotiation, Vendor Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Scraping, Data Import/Export, Extensible Markup Language (XML), Data Processing, Cascading Style Sheets (CSS), JSON, Data Pipelines, Software Installation, Application Programming Interface (API), MongoDB, Hypertext Markup Language (HTML), Data Collection
Beginner · Course · 3 - 6 Months

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Apple Xcode, Mobile Development, Data Persistence, Interactive Data Visualization, Apple software proficiency, AI Personalization, UI Components, User Interface (UI), Application Programming Interface (API), Web Content Accessibility Guidelines, AI Enablement, Usability, Mobile Development Tools, Software Design Patterns, Animations
Intermediate · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Data Strategy, Data Management, Agile Project Management, Agile Methodology, Data Infrastructure, Information Management, Data Governance, Project Risk Management, Data Literacy, Project Management, Risk Management, Data-Driven Decision-Making, Project Management Life Cycle, Resource Management, Project Coordination, Project Design, Risk Analysis, Project Implementation, AI Enablement, Data Analysis
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Bedrock, AWS Identity and Access Management (IAM), Identity and Access Management, Retrieval-Augmented Generation, Large Language Modeling, Responsible AI, Cloud Computing Architecture, Generative Model Architectures, Cloud Solutions, Generative AI, Amazon Web Services, Cloud Computing, Cloud Services, Cloud Technologies, Generative AI Agents, AWS CloudFormation, AI Security, Agentic Workflows, Governance, Amazon CloudWatch
Beginner · Specialization · 1 - 3 Months

★ 4.7 (16) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Timelines, Project Controls, Project Schedules, Dashboard, Goal Setting, Project Coordination, Dashboard Creation, Collaborative Software, Process Design, Project Performance, Calendar Management, Project Management Software, Project Planning, Project Management, Time Management, Issue Tracking, Project Management Life Cycle, Organizational Skills, Teamwork
Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Email Marketing, Lead Generation, Email Automation, Customer Relationship Management (CRM) Software, Performance Metric, Sales Pipelines, Digital Marketing, Copywriting, Customer Support, Customer Engagement, Data Pipelines, Compliance Management, Revenue Cycle Management, Generative AI, Design and Product, Product Design, Law, Regulation, and Compliance, Artificial Intelligence, Design Elements And Principles, Statistics
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Deep Learning, Convolutional Neural Networks, Generative Model Architectures, Generative Adversarial Networks (GANs), Transfer Learning, Vision Transformer (ViT), Image Analysis, Artificial Neural Networks, Machine Learning Methods, Model Optimization, Network Architecture, Natural Language Processing, Model Training
★ 4.7 (9) · Beginner · Course · 1 - 4 Weeks