Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Supervised Learning, Computer Vision, Machine Learning Methods, Matplotlib, Data Visualization, Probability & Statistics, Deep Learning, Statistical Machine Learning, Artificial Intelligence, Plotly, Statistical Analysis, Data Visualization Software, Statistical Hypothesis Testing, Machine Learning, Seaborn, Data Science, Programming Principles, Python Programming, Applied Machine Learning, Statistical Inference
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Transaction Processing, Event-Driven Programming, Front-End Web Development, JavaScript Frameworks, Development Environment, Web Development, Web Applications, Secure Coding, React.js, Application Development, Javascript, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, Object Oriented Programming (OOP), PyTorch (Machine Learning Library), R Programming, NumPy, Image Analysis, Pandas (Python Package), Matplotlib, Artificial Neural Networks, Python Programming, Deep Learning, Computer Programming, Scripting Languages, Computer Vision, Keras (Neural Network Library), Machine Learning, Exploratory Data Analysis, Programming Principles, Data Management
Intermediate · Specialization · 1 - 3 Months

Nanjing University
Skills you'll gain: Social Studies, Socioeconomics, Economic Development, Social Sciences, Research, World History, Economics, Social Justice, Political Sciences
Mixed · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, Automation, Data Management, Systems Architecture, Hardware Architecture, Network Protocols, Interoperability, Information Systems Security, Integration Testing, Emerging Technologies, Communication Systems, Systems Design, Analytics, Real Time Data
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: E-Commerce, Value Propositions, Scalability, Business-To-Consumer, B2B Sales, Order Management, Growth Strategies, Personalized Service, Customer Engagement, Promotions and Campaigns
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Data Visualization, Graph Theory, Relational Databases, Data Visualization Software, Data Storytelling, Data Analysis, Database Theory, Exploratory Data Analysis, Social Sciences, Statistical Analysis, Machine Learning, R Programming, Analytics, Sociology, Natural Language Processing, Data Manipulation, Text Mining, Statistical Modeling
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Web Development, Application Development, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Object Oriented Design, Computational Thinking, Programming Principles, Algorithms, Software Architecture, Computer Programming, Python Programming, Model View Controller
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft Visual Studio, GitHub, Code Review, Integrated Development Environments, Program Development, Software Documentation, Maintainability, Computer Programming Tools, Test Automation, Web Development Tools, Software Technical Review, Technical Documentation, Test Case, Debugging, React.js
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months