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.

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Database Systems, Computer Security Incident Management, Security Management, Ubuntu, Routing Protocols, Database Design, Application Development, Network Architecture, Linux Commands, TCP/IP, Operating Systems, Database Theory, Web Design and Development, Cascading Style Sheets (CSS), Web Development, Data Structures, Python Programming, Data Analysis, Software Development
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Algorithms, Data Structures, Theoretical Computer Science, Computer Programming, Computational Thinking, Computer Science, Programming Principles, Python Programming, Advanced Mathematics, Design Strategies, Mathematical Theory & Analysis, Data Analysis, Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Architecture and Administration, Database Administration, PL/SQL, Relational Databases, Patch Management, Data Integrity, SQL, Data Import/Export, Data Storage Technologies, User Accounts, Disaster Recovery
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Secure Coding, File Management, Python Programming, Mathematical Software, Programming Principles, Scripting, Algorithms, Debugging, Data Structures, User Interface (UI), UI Components, Application Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Programming Principles, Android Development, Data Structures, Computer Programming, Mobile Development, Integrated Development Environments, Debugging
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Operations Management, Operational Efficiency, Process Analysis, Process Management, Process Improvement, Lean Methodologies, Workflow Management, Continuous Improvement Process, Capacity Planning, Quality Management, Supply Chain Management, Inventory Management System, Statistical Process Controls, Process Flow Diagrams, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Data Infrastructure, Authorization (Computing), Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, Data Security, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Clinical Trials, Sample Size Determination, Clinical Research Ethics, Clinical Trial Management Systems, Clinical Research, Data Quality, Quality Assurance, Data Entry, Case Report Forms, Institutional Review Board (IRB), Good Clinical Practices (GCP), Data Cleansing, Data Management, Regulatory Compliance, Data Integrity, Statistical Reporting, Informed Consent, Clinical Documentation, Data Collection
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Jenkins, Mobile Development, Test Execution Engine, Apple iOS, Application Frameworks, Software Testing, Test Case, Regression Testing, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Cross Platform Development, Containerization
Advanced · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Intellectual Property, Entrepreneurship, Music History, Contract Negotiation, Fundraising and Crowdsourcing, Team Building, Design Thinking, Brand Strategy, Professional Networking, Lawsuits, Creativity, Ideation, Innovation, Branding, Music, Creative Problem-Solving, Product Development, Revenue Management, Social Media, Business
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Legal Technology, Responsible AI, Legal Research, Legal Risk, Artificial Intelligence, Intellectual Property, Generative AI, LLM Application, Natural Language Processing, Regulation and Legal Compliance, Compliance Management, Prompt Engineering, Litigation Support, Automation, Contract Review
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Business Strategy, Organizational Strategy, Business Planning, Strategic Decision-Making, Stakeholder Management, Data Visualization, Competitive Analysis, Market Analysis, Goal Setting, Key Performance Indicators (KPIs), Analysis, Performance Metric
Mixed · Course · 1 - 4 Weeks