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.

Rutgers the State University of New Jersey
Skills you'll gain: Supply Chain Management, Strategic Sourcing, Forecasting, Supply Chain Planning, Materials Management, Procurement, Supplier Management, Inventory Management System, Cash Management, Business Process Reengineering, Payment Processing, Product Quality (QA/QC)
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Natural Language Processing, Text Mining, Clinical Informatics, Clinical Documentation, R Programming, Google Cloud Platform, Health Informatics, Unstructured Data, Data Processing
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Scripting, Scripting Languages, Javascript, UI Components, Web Development Tools, Game Design, Object Oriented Programming (OOP), Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Web Applications, HTML and CSS, Javascript, Web Development Tools, Animations, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Strategy, Threat Modeling, Policty Analysis, Research, and Development, World History, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Cloud-Native Computing, Application Deployment, YAML, Devops Tools, Command-Line Interface, Google Cloud Platform, Web Applications, Cloud Infrastructure, Development Environment, Configuration Management, Nginx, CI/CD, Software Installation, MongoDB, Service Management, Infrastructure Architecture, Infrastructure Security
Intermediate · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Microsoft Copilot, Software Architecture, OpenAI, Code Review, Unit Testing, Software Design, API Design, Debugging, Software Development, Application Development, Back-End Web Development, Database Design, Python Programming, Automation, Version Control, Java Programming
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Merchandising, Inventory Management, Visual Merchandising, Consumer Behaviour, Inventory Management System, Retail Management, Retail Sales, Marketing Psychology, Customer Insights, Business Development, Sales Strategy, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Business Analysis, Project Management, Risk Management, Project Planning, Data Visualization, Agile Project Management, Microsoft Excel, Cost Management, Business Systems Analysis, Project Management Office (PMO), Stakeholder Engagement, Excel Formulas, Scope Management, Pivot Tables And Charts, Dashboard, Business Analytics, Stakeholder Management, Business Requirements, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Statistical Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Data Wrangling, Communication
Beginner · Specialization · 1 - 3 Months

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Environmental Issue, Social Sciences, Economics, Policy, and Social Studies, Policy Analysis, Climate Change Adaptation, Systems Thinking, Emerging Technologies, Research, Big Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Security Controls, Cybersecurity, System Monitoring, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months