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.

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Core Data (Software), iOS Development, Secure Coding, Application Deployment, Scalability, Swift Programming, Performance Tuning, Application Security, Debugging, Application Performance Management, Application Programming Interface (API), Performance Testing, Encryption, JSON
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Dashboard, Azure Synapse Analytics, Microsoft Azure, Data Storage Technologies, Microsoft SQL Servers, Data Storage, Cloud Engineering, Data Architecture, Data Infrastructure, Performance Tuning, Query Languages, Database Design, SQL, NoSQL, Data Processing, Cloud Solutions, Analytics, Process Optimization, Data Modeling, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Employee Performance Management, Performance Appraisal, People Development, Performance Review, Employee Engagement, Performance Management, Communication, Goal Setting, Goal-Oriented, Performance Metric, Performance Measurement, Performance Analysis, Employee Onboarding, Performance Reporting, Active Listening, Motivational Interviewing, Job Analysis, Personal Development, Interviewing Skills, Job Evaluation
Mixed · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Wireless Networks, Computer Networking, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Threat Modeling, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, Cyber Attacks, Hardening, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Solutions, Cloud Hosting, Cloud Deployment, Public Cloud, Cloud Computing Architecture, Cloud Management, Cloud Storage, Cost Management, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Lightweight Directory Access Protocols, System Monitoring, Scripting, Dashboard, Business Intelligence, Scatter Plots, Pivot Tables And Charts, Servers, Data Visualization Software, Data-Driven Decision-Making, Software Installation, Role-Based Access Control (RBAC), Data Analysis Expressions (DAX), Data Pipelines, Authentications, Unstructured Data, Data Visualization, Windows Servers, Network Troubleshooting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Spreadsheet Software, Accounting Records, Investigation, Variance Analysis, Financial Statements, Accounts Payable, Financial Controls, Financial Auditing, Fraud detection, Analysis, Verification And Validation, Payment Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Multimedia, Verbal Communication Skills, Photo Editing, Productivity Software, Microsoft Office, Technical Communication, Editing, Social Media, Marketing, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Database Design, Database Theory, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Enterprise Modeling, Data Integrity, Data Quality
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Image Analysis, Cloud Deployment, Tensorflow, Amazon Web Services, Convolutional Neural Networks, Model Deployment, Application Development, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Data Preprocessing
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Infrastructure as Code (IaC), Model Deployment, Generative AI, Application Deployment, CI/CD, Amazon Elastic Compute Cloud, Continuous Deployment, AI Enablement, Cloud Deployment, Jenkins, Amazon Web Services, Terraform, Cloud Infrastructure, Kubernetes, Docker (Software), Microsoft Copilot, Requirements Analysis, Release Management, Scalability
Beginner · Course · 1 - 4 Weeks