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 Michigan
Skills you'll gain: Generative AI, Data Ethics, Data Analysis, Data-Driven Decision-Making, Responsible AI, Data Literacy, Artificial Intelligence, Big Data, Predictive Modeling, Machine Learning, Media and Communications
Beginner Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Vue.JS, Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Kubernetes, Containerization, Cloud-Native Computing, Infrastructure Security, Role-Based Access Control (RBAC), Linux Administration, Infrastructure Architecture, Data Storage Technologies, Command-Line Interface, Servers, System Monitoring, System Configuration, Application Programming Interface (API)
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Database Management, Multi-Tenant Cloud Environments, Database Software, Software Installation, System Configuration, SQL, Development Environment, Virtual Machines
Intermediate Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Post-Production, Storytelling, Video Editing, Timelines, Color Theory, Data Import/Export, Image Quality, Web Content Accessibility Guidelines, Music, Editing
Mixed Ā· Course Ā· 1 - 3 Months

University of Michigan
Skills you'll gain: Diversity Awareness, Diversity Equity and Inclusion Initiatives, Health Equity, Health Disparities, Workplace inclusivity, Accountability, Healthcare Ethics, Social Determinants Of Health, Cultural Responsiveness, Public Health, Community Health, Leadership Development
Intermediate Ā· Course Ā· 1 - 4 Weeks

Starweaver
Skills you'll gain: SQL, Business Intelligence, Jupyter, Python Programming
Advanced Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Deployment, Spring Boot, Back-End Web Development, Data Modeling, Software Architecture, Object-Relational Mapping, System Configuration, Software Design, Application Development, Java Platform Enterprise Edition (J2EE), Business Logic
Mixed Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: Design Thinking, Business Transformation, Process Design, Business Process, Human Centered Design, Business Solutions, Innovation, Creative Problem-Solving, Ideation, Creativity, Overcoming Obstacles, User Research, User Feedback, Empathy, Adaptability, Needs Assessment
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Regression Testing, Scenario Testing, Test Execution Engine, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Computer Programming
Beginner Ā· Specialization Ā· 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Data Structures, Programming Principles
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Cloud Development, Microsoft Azure, Cloud Applications, Cloud Hosting, Virtual Machines, Virtualization and Virtual Machines, Infrastructure As A Service (IaaS), Virtualization, Linux Servers, Application Deployment, Linux Administration, Linux, Web Applications, Service Management, Node.JS, Javascript, MongoDB
Intermediate Ā· Course Ā· 1 - 3 Months