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.

Skills you'll gain: Content Performance Analysis, Content Optimization, Search Engine Optimization, Web Analytics, Performance Analysis, Web Analytics and SEO, Content Strategy, Analytics, Social Media Strategy, Revenue Management, Social Media Management, Brand Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Tools, Continuous Integration, CI/CD, AI Orchestration, AI Integrations, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Computer Programming Tools, Digital pedagogy, Program Development, Computational Logic, Education Software and Technology, Computational Thinking, Programming Principles, Computer Programming, Game Design
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Performance Stress Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Scenario Testing, System Testing, Scripting, Simulations, Scalability, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, CI/CD, Data Pipelines, Continuous Deployment, Workflow Management, Site Reliability Engineering, Data Engineering, Model Deployment, Data Quality, Version Control, PostgreSQL, Git (Version Control System), Python Programming, Debugging, SQL, Production Management, Scheduling, Unit Testing, Linux Commands, Web Servers
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Structural Engineering, Structural Analysis, Construction Engineering, Civil Engineering, Construction, Engineering Analysis, Civil and Architectural Engineering, Building Codes, Engineering Practices, Engineering Calculations, Safety Standards, Simulation and Simulation Software
Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: Decision Intelligence, Responsible AI, Generative AI Agents, Predictive Modeling, Agentic Workflows, Decision Support Systems, Business Intelligence, Data-Driven Decision-Making, Strategic Decision-Making, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Data Storytelling, Predictive Analytics, Machine Learning, Scikit Learn (Machine Learning Library), Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, Model Training, Anomaly Detection, Model Deployment, Image Analysis, Google Cloud Platform, Data Import/Export, Predictive Modeling, Data Management
Beginner · Project · Less Than 2 Hours

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Statistical Reporting, Quantitative Research, Statistical Analysis, Probability & Statistics, Sampling (Statistics), Statistical Inference, Descriptive Statistics, Statistics, Probability Distribution, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Architecture, OSI Models, Computer Networking, Computer Hardware, Disaster Recovery, Virtual Local Area Network (VLAN), Network Administration, Network Architecture, Network Infrastructure, Database Management, General Networking, Network Troubleshooting, Relational Databases, Computer Systems, Wide Area Networks, Databases, Hardware Troubleshooting, Computer Architecture, Networking Hardware, IT Service Management
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Program Development, Application Development, Systems Development, Software Design, Technical Design, Computer Programming, Software Engineering
★ 2.9 (11) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Unit Testing, Application Deployment, Web Applications, Web Development, Cloud Deployment, Authentications, Development Environment, Data Modeling, Relational Databases, Data Validation
Beginner · Course · 1 - 4 Weeks