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.
University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronics, Schematic Diagrams, Technical Design, Hardware Architecture, Design Software, Verification And Validation, Simulation and Simulation Software, Digital Design
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, PySpark, Data Infrastructure, Data Processing, Distributed Computing, Performance Tuning, Scalability, Data Storage, Python Programming
Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Test Planning, Acceptance Testing, Unit Testing, Functional Testing, Test Automation, JUnit, Java Programming
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Data Structures, Programming Principles, Algorithms, Computer Programming, Software Design, Application Security, Other Programming Languages, Python Programming, Java Programming, System Programming, Computer Architecture, Performance Tuning, Unix, Computer Science, Debugging
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Technical Writing, Technical Documentation, Software Documentation, Technical Communication, Layout Design, Writing and Editing, Writing, Collaborative Software, Graphic and Visual Design, Augmented and Virtual Reality (AR/VR), Typography, Proofreading, Multimedia, Web Content Accessibility Guidelines, Content Management, GitHub, Version Control
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Calculus, Engineering Calculations, Mathematical Theory & Analysis, Algebra, Advanced Mathematics, Applied Mathematics, Derivatives
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Microsoft Copilot, AI Workflows, Anthropic Claude, Tool Calling, GitHub, Context Management, Web Development, Real Time Data, Debugging, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Servers, Prompt Engineering, Application Development, Video Game Development, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Statistical Visualization, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Statistical Machine Learning, Model Evaluation, Predictive Analytics, R Programming, Data Analysis, SQL, Predictive Modeling, Python Programming
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning
Mixed · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Intellectual Property, Legal Strategy, Legal Writing, Labor Law, Arbitration, Environmental Laws, Case Law, Legal Research, Labor Relations, Tax, Tax Laws, Regulation and Legal Compliance, Law, Regulation, and Compliance, Commercial Laws, Business, International Relations, Compliance Management, Business Strategy, Competitive Analysis, Public Policies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Express, Responsible AI, Generative AI, Graphic Design, Prompt Engineering, Image Analysis, Artificial Intelligence, AI Workflows, Creativity, Data Integrity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Back-End Web Development, Restful API, Web Applications, Web Development, Cloud Computing, Web Servers, Javascript, GitLab, Authentications, JSON, Computer Science, Middleware
Intermediate · Course · 1 - 4 Weeks