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.

Northeastern University
Skills you'll gain: Algorithms, Bayesian Statistics, Theoretical Computer Science, Network Model, Computational Thinking, Data Structures, Graph Theory, Network Analysis, Probability, Probability & Statistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Collaborative Software, Software Versioning, Software Configuration Management, Command-Line Interface, Change Control, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Clinical Leadership, Strategic Leadership, Nursing Management, Strategic Decision-Making, Stakeholder Management, Leadership, Accountability, Decision Making, Leadership Development, Critical Thinking and Problem Solving, Communication Strategies, Strategic Thinking, Problem Solving, Organizational Strategy, Complex Problem Solving, Dealing With Ambiguity, Data-Driven Decision-Making, Patient Safety, Cross-Functional Collaboration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Investments, Data Presentation, Investment Management, Portfolio Management, Data Visualization, Asset Management, Portfolio Risk, Financial Planning, Financial Services, Oral Expression, Financial Acumen, Data Visualization Software, Wealth Management, Verbal Communication Skills, Securities (Finance), Equities, Financial Analysis, Communication, Client Services, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Unity Engine, Animations, User Interface (UI), Game Design, Video Game Development, UI Components, User Interface (UI) Design, Virtual Environment, Visualization (Computer Graphics), Computer Graphic Techniques, C# (Programming Language), Scripting, Physics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative AI Agents, AI Integrations, Document Management, LLM Application, Agentic Workflows, AI Workflows, Application Programming Interface (API), Agentic systems, System Configuration, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Supervised Learning, R Programming, Machine Learning Methods, Applied Machine Learning, R (Software), Classification Algorithms, Statistical Machine Learning, Data Wrangling, Machine Learning Algorithms, Tidyverse (R Package), Machine Learning, Data Science, Ggplot2, Classification And Regression Tree (CART), Feature Engineering, Machine Learning Software, Data Preprocessing, Statistical Programming
Beginner · Course · 1 - 3 Months

Advanced · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, .NET Framework, Object Oriented Design, Object Oriented Programming (OOP), C# (Programming Language), Application Development, Video Game Development, Game Design, Database Application, Database Software, Programming Principles, Application Frameworks, Database Development, Data Access, Databases, Program Development, File Management, Maintainability, Authentications
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, C# (Programming Language), .NET Framework, Development Environment, Computer Programming, Programming Principles, Microsoft Development Tools, Microsoft Visual Studio, Data Structures, Computer Science, Algorithms, Application Frameworks, Software Development Tools, Application Development, Memory Management, Debugging, Software Installation, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Token Optimization, Large Language Modeling, LLM Application, Generative Model Architectures, Applied Machine Learning, Performance Metric, Quality Assessment
Intermediate · Course · 1 - 4 Weeks