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.

University of London
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Computational Logic, Critical Thinking and Problem Solving, Computer Science, Data Structures, Critical Thinking, Classification Algorithms, Logical Reasoning, Graph Theory, Mathematical Theory & Analysis, Complex Problem Solving, Analysis, Game Theory
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Apache Spark, Data Pipelines, Apache Hadoop, Real Time Data, Data Integration, Data Processing, Distributed Computing, Security Controls, Authentications, Data Transformation, Identity and Access Management, Encryption, Analytics, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Vector Databases, Embeddings, Semantic Web, Database Theory, Database Design, Databases, NoSQL, Decision Intelligence, Relational Databases, Stakeholder Communications, Business Analysis, Stakeholder Management, Technical Communication, Persuasive Communication, Communication, System Design and Implementation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Model View Controller, Web Applications, JavaScript Frameworks, Data Validation, Application Frameworks, Javascript, Application Development, Web Development
★ 4.6 (7) · Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Maintenance, Repair, and Facility Services, General Construction and Construction Labor, Product Lifecycle Management, Construction Engineering, Construction, Construction Management, Digital Analysis, Plant Operations and Management, Facility Repair And Maintenance, Architecture and Construction, Digital Transformation, Transportation Operations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Ideation, Diagram Design, Brainstorming, Teamwork, Data Visualization, Team Collaboration, Organizational Skills, Productivity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Java, Object Oriented Design, Data Validation, Test Script Development, Object Oriented Programming (OOP), Test Automation, Application Design, Application Development, Software Testing, Test Case, Data Modeling, Verification And Validation, User Interface (UI), Business Logic, Maintainability, Data Integrity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Memory Management, C and C++, Scalability, Performance Tuning, C++ (Programming Language), Microarchitecture, Computer Architecture, Performance Stress Testing, Cross Platform Development, Hardware Architecture, Computing Platforms, Program Development, Application Frameworks, Software Installation, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Programming Principles, Cloud Deployment, Data Structures, Development Environment
Advanced · Course · 1 - 3 Months

Skills you'll gain: Other Programming Languages, Memory Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Management, Dashboard, Resource Utilization, Cost Containment, Financial Management, Cost Control, Financial Data, Cost Management, Anomaly Detection, Serverless Computing, Resource Allocation, Cloud Computing Architecture, Forecasting, Cloud-Native Computing, Management Reporting, Cost Reduction, Containerization, Plan Execution, Solution Architecture, Culture Transformation
★ 4 (6) · Intermediate · Course · 1 - 4 Weeks