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.

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: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Network Routers, Network Architecture, Local Area Networks, Networking Hardware, Network Troubleshooting, Network Protocols, Network Security, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Real Time Data, Classification Algorithms, File I/O, Color Matching
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Cyber Governance, Financial Analysis, Performance Stress Testing, Governance Risk Management and Compliance, Financial Regulation, Business Continuity, Financial Systems, Data Management, Financial Market, Banking, Capital Markets
★ 5 (10) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Network Infrastructure, Amazon Web Services, Cloud Infrastructure, Cloud Engineering, Network Architecture, IT Automation, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, General Networking, Cloud Deployment, DevOps, Automation, Devops Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, NoSQL, Application Programming Interface (API), Scalability, Performance Tuning, System Configuration, Geospatial Information and Technology, Document Management
★ 5 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Gross Profit, Case Studies, Data Wrangling, Data Manipulation, Dashboard Creation, Performance Analysis, Business Reporting, Data Presentation, Performance Measurement, Financial Acumen, Business Analysis, Fiscal Management, Time Series Analysis and Forecasting
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Pipelines, Databases, Extract, Transform, Load, Data Lakes, NoSQL, Data Processing, Data Architecture, Azure Synapse Analytics, Data Warehousing, Database Systems, Data Management, Microsoft Azure, Data Transformation, Database Management Systems, Data Integration, Data Governance, Data Storage Technologies, Analytics, Data Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, Exploratory Data Analysis, Feature Engineering, Dashboard Creation, Interactive Data Visualization, Data Presentation, Model Evaluation, Data Visualization, Data Pipelines, Project Documentation, Solution Delivery, Data Storytelling, Amazon Web Services, Data Analysis, Technical Documentation, Business Intelligence, Cloud Infrastructure, Technical Communication, Automation, Project Management
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Development, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, Web Frameworks, Frontend Integration, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL
Intermediate · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Management Framework, Infrastructure Security, Threat Modeling, Information Systems Security, Cyber Engineering, Security Controls, Security Engineering, Security Architecture Review, Security Requirements Analysis, Safety and Security, Cybersecurity, Cyber Security Strategy, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Cyber Security Assessment, Cyber Governance, Industrial Design, Human Machine Interfaces
Beginner · Course · 1 - 3 Months