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 California, Santa Barbara
Skills you'll gain: Corporate Tax, Tax Compliance, Tax Planning, Income Tax, Tax Laws, Tax Returns, Regulation and Legal Compliance, Depreciation, Organizational Structure, Expense Management, Compensation Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Test Planning, Test Tools, Test Data, Apache, Test Execution Engine, Virtual Environment, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), File I/O, Data Structures, System Programming, Secure Coding, Software Design Patterns, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Key Performance Indicators (KPIs), Business Metrics, Accountability, Goal Setting, Management Reporting, Analytical Skills, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Management Reporting, Issue Tracking, Business Reporting, Workflow Management, Document Management, Consolidation, Data Cleansing, Data Validation, Content Management Systems, Verification And Validation, Content Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Verification And Validation, Experimentation, Performance Testing, Benchmarking, Performance Analysis, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Generative AI, Performance Tuning, Data Migration, LangChain, LLM Application, Metadata Management, Document Management, Data Infrastructure, Large Language Modeling, Prompt Patterns, Embeddings, Data Modeling, Agentic systems, Data Integrity, Scalability, Docker (Software), Semantic Web, Query Languages
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Splunk, Data Transformation, Dashboard, Statistical Visualization, Data Visualization Software, Statistical Analysis, Data Manipulation, Scatter Plots, Time Series Analysis and Forecasting, Correlation Analysis, Event Monitoring, Security Information and Event Management (SIEM), Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI, Cloud Computing, Cloud API, API Design, Python Programming, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Transfer Learning, Natural Language Processing, Deep Learning, PyTorch (Machine Learning Library), Large Language Modeling, Keras (Neural Network Library), Artificial Neural Networks, Image Analysis, Tensorflow, Artificial Intelligence, Machine Learning Methods, Computer Vision, Embeddings, Data Preprocessing, Model Evaluation
Advanced · Course · 1 - 3 Months

Skills you'll gain: IBM Cloud, Development Testing, Natural Language Processing, Software Testing, User Flows, Customer experience improvement, User Accounts, Content Management
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Probability, Computational Logic, Combinatorics, Bayesian Statistics, Algorithms, Theoretical Computer Science, Mathematical Software, Mathematical Theory & Analysis, Cryptography, Logical Reasoning, Deductive Reasoning, Computational Thinking, Computer Science, Encryption, Data Structures, Arithmetic, General Mathematics, Public Key Cryptography Standards (PKCS), Problem Solving, Cybersecurity
Beginner · Specialization · 3 - 6 Months