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: Network Troubleshooting, Security Awareness, Network Administration, Wireless Networks, Penetration Testing, Exploitation techniques, Network Monitoring, Network Security, Local Area Networks, Security Testing, Cybersecurity, Dynamic Host Configuration Protocol (DHCP), System Configuration, Authentications, Linux Administration, Software Installation, Networking Hardware, Verification And Validation, Web Servers, Apache
Advanced · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Javascript, Computer Programming
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Methodologies, Quality Improvement, Lean Six Sigma, Quality Assessment, Process Improvement, Quality Management, Team Management, Service Improvement, Product Quality (QA/QC), Team Oriented, Team Building, Lean Manufacturing, Continuous Improvement Process, Team Performance Management, Team Leadership, Business Process, Production Process, Production Management
★ 4.5 (435) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Computing, Network Architecture, Virtual Networking, TCP/IP, Computer Networking, Cloud Engineering, Network Routing, Cloud Infrastructure, Network Planning And Design, Network Infrastructure, Google Cloud Platform, Interoperability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (267) · Intermediate · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Databases, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, Scripting Languages
★ 4.6 (372) · Beginner · Professional Certificate · 3 - 6 Months
Stanford Online
Skills you'll gain: Game Theory, Bidding, Social Sciences, Resource Allocation, Economics, Social Impact, Behavioral Economics, Decision Making, Mathematical Theory & Analysis, Revenue Management, Model Optimization
★ 4.7 (652) · Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: Databricks, Data Pipelines, Cloud-Native Computing, Apache Spark, Microsoft Azure, Data Infrastructure, Data Architecture, Data Warehousing, Data Management, Extract, Transform, Load, Data Access, Data Processing, Real Time Data, Data Quality, Data Validation, Data Transformation, SQL
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, Extract, Transform, Load, Federated Learning, Model Optimization, Data Pipelines, Image Analysis, Data Import/Export, Tensorflow, Transfer Learning, Convolutional Neural Networks, iOS Development, Apple iOS, Android Development, Data Preprocessing, Model Training, Data Processing, Computer Vision, MLOps (Machine Learning Operations), Javascript, Machine Learning
★ 4.7 (1.5K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Persistence, Debugging, Application Development, Node.JS, Application Design, Web Applications, Data Storage Technologies, Maintainability, Secure Coding, Build Tools, User Interface (UI), System Programming, Application Deployment, UI Components, Package and Software Management, File I/O, Data Storage, Web Content
Intermediate · Course · 1 - 3 Months
University of California San Diego
Skills you'll gain: Statistical Analysis, Experimentation, Usability Testing, Usability, User Experience Design, Statistical Programming, Statistical Hypothesis Testing, Data Analysis, Statistical Methods, UI/UX Research, R Programming, User Experience, Data Collection, Human Computer Interaction, Statistics, Data Validation, Statistical Modeling, Regression Analysis, Logistic Regression
★ 3.6 (596) · Intermediate · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Pandas (Python Package), Statistical Methods, Data Import/Export, Statistical Analysis, Research Design, Data Literacy, Statistical Inference, Text Mining, Science and Research, Data Integration, Data Manipulation, Data Analysis, Research Methodologies, Applied Machine Learning, Predictive Analytics, Data Science, Social Sciences, Network Analysis, Data Visualization, Python Programming
Intermediate · Course · 3 - 6 Months