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.

Johns Hopkins University
Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, ChatGPT, Generative AI, Responsible AI, Healthcare Ethics, Public Health, Data Ethics, Health Policy, Health Informatics, Medical Science and Research, Artificial Intelligence, Microsoft Copilot, Emerging Technologies
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Embedded Software, Robotics, PIC Microcontrollers, Computer Systems, Internet Of Things, Automation, Control Systems, Electrical and Computer Engineering, C (Programming Language), Programmable Logic Controllers, Peripheral Devices, Electronics, Wireless Networks, Medical Equipment and Technology, Medical Devices, Electric Power Systems, Computer Architecture, Civil Engineering, Electronic Systems
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Graphic and Visual Design, Histogram, Tidyverse (R Package), Public Administration, Trend Analysis, Policy Analysis
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Responsive Web Design, jQuery, React.js, Javascript, Web Applications, JavaScript Frameworks, Web Development, Web Components, Web Design and Development, Web Development Tools, UI Components, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines, User Interface (UI), Event-Driven Programming, Maintainability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Inventory and Warehousing, Accounting Software, Customer Data Management, Financial Analysis, Billing & Invoicing, Sales Management, Financial Reporting, Expense Management, Payroll, Accounts Payable, Bookkeeping, Cash Flows, Accounts Receivable
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Cloud Services, Web Applications, Cloud Platforms, Javascript, Node.JS, Amazon Web Services
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Goldman Sachs
Skills you'll gain: Market Research, New Product Development, Product Development, Entrepreneurship, Product Design, Innovation, Focus Group, Market Analysis, Ideation, Business Development, Product Testing, Logistics
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cost Management, Cost Estimation, Project Management, Scope Management, Project Controls, Project Closure, Project Implementation, Requirements Management, Project Schedules, Work Breakdown Structure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Backlogs, Stakeholder Communications, Virtual Teams, Stakeholder Management, Agile Product Development, Agile Methodology, Communication, Cross-Functional Collaboration, Negotiation, Conflict Management, Product Management, Product Requirements, User Story, Team Building, Prioritization, Customer experience strategy (CX)
Beginner · Course · 1 - 4 Weeks