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: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Java Programming, Integrated Development Environments, Test Automation, Java, Build Tools, Software Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Education Software and Technology, Recognizing Others, Collaboration
Beginner · Guided Project · Less Than 2 Hours

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

University of Colorado Boulder
Skills you'll gain: Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Sustainable Business, Sustainable Development, Supply Management, Sustainability Standards, Business Ethics, Sustainable Systems, Supply Chain, Strategic Sourcing, Procurement, Social Impact, Supplier Relationship Management, Labor Compliance, Compliance Management, Business Reporting, Annual Reports, Ethical Standards And Conduct, Regulatory Compliance
Build toward a degree
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Databases, Database Management Systems
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Simulations, Simulation and Simulation Software, Design Reviews, Digital pedagogy, Lesson Planning, Science and Research, Interactive Design, Conceptual Design, User Feedback, Design Strategies, Research, Scientific Visualization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Video Editing, Adobe Photoshop, Photo Editing, Post-Production, Adobe Creative Cloud, Image Quality, Color Theory, Photo/Video Production and Technology, Editing, Photography
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Digital pedagogy, Simulations, Simulation and Simulation Software, Interactive Design
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Scalability, Performance Measurement, Performance Analysis, Simulations, Algorithms, Performance Metric, Simulation and Simulation Software, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Conversion Funnel Analysis, Digital Analysis, Data Collection, Data-Driven Marketing, Data Literacy, Data Quality, grep, Data Validation, Dashboard Creation, Reconciliation, Campaign Planning, Event Monitoring
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Software Documentation, Engineering Documentation, Technical Documentation, Model Training, Software Design Documents, Technical Writing, Generative Model Architectures, Technical Communication, Restful API
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Convolutional Neural Networks, Tensorflow, Image Analysis, Computer Vision, Feature Engineering, Google Cloud Platform, Cloud Computing
Intermediate · Project · Less Than 2 Hours