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.

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Object Oriented Design, Java, Software Design, Application Design, Test Driven Development (TDD)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, Data Visualization, Tidyverse (R Package), R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis, Data Transformation, Software Installation, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Adobe Express, Multimedia, Content Creation, Storytelling, Visual Design, Design, Graphic and Visual Design, Web Content, Infographics, Animations, Digital Media Strategy, Editing, Communication
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Computer Programming, Python Programming, Scripting, Computational Logic, Scripting Languages, Computer Science
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Productivity Software, Business Reporting, Data Cleansing, Data Visualization, Data Management, Analytics, Data Validation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Utrecht University
Skills you'll gain: Epidemiology, Clinical Research, Medical Science and Research, Diagnostic Tests, Clinical Trials, Patient Evaluation, Public Health, Patient Treatment, Risk Analysis
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Sharing, Data Mining, Interoperability, Software Architecture, Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Apache Spark, Microsoft Azure, Data Integration, PySpark, Data Lakes, Jupyter, File Systems, Data Processing, Big Data, Cloud Storage, Cloud Computing Architecture
Beginner · Course · 1 - 3 Months

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 Michigan
Skills you'll gain: C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Data Structures, System Programming, Computer Programming, Software Design, Python Programming, Java Programming, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Emotional Intelligence, Conflict Management, Empathy, Professional Development, Stress Management, Self-Awareness, Team Management, Resilience, Relationship Building, Decision Making
Beginner · Course · 1 - 3 Months