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: UI Components, Swift Programming, Apple iOS, User Interface (UI), Mobile Development, Apple Xcode, Application Development, Interactive Design, Application Design, Model View Controller, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), Software Design, Animations, Typography, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Data Warehousing, Data Integration, Data Processing, Enterprise Application Management, Performance Tuning, Data Manipulation, Data Analysis, Distributed Computing, Data Import/Export, SQL, Data Transformation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Tools, Browser Compatibility, Software Testing, Test Automation, Continuous Integration, Cloud Applications, CI/CD, Regression Testing, Mobile Development Tools, Cloud Platforms, Verification And Validation, Quality Assurance, UI Components, User Interface (UI), Automation, Scalability
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Encryption, Cryptography, Security Engineering, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Data Warehousing, Java, File Management, Data Import/Export, Data Migration, Data Manipulation, Data Mapping, Scalability, Data Transformation, Software Documentation, Software Installation, Data Processing, MySQL, Context Management, Debugging
Beginner · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Scripting, Transaction Processing, Secure Coding, FinTech, Application Development, Systems Architecture, Programming Principles, Software Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, 3D Modeling, Computer Graphics, Adobe Photoshop, Autodesk, Data Import/Export, Graphical Tools
Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, Continuous Delivery, Continuous Integration, DevOps, Data Validation, Data Governance, Data Quality, Test Automation, Extract, Transform, Load, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI Personalization, Personalized Service, Marketing Communications, Customer Communications Management, Content Development and Management, Customer Engagement, Promotions and Campaigns
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Application Deployment, Integration Testing, Continuous Deployment, Microservices, Software Versioning, Continuous Integration, Test Automation, Application Programming Interface (API), CI/CD, Test Tools, Verification And Validation, Application Lifecycle Management
Advanced · Course · 1 - 4 Weeks

Beginner · Course · 1 - 3 Months