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.

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Management Accounting, Cost Management, Accounting, Product Planning, Resource Allocation, Depreciation, Production Process, Financial Accounting, Operating Expense
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Revenue Management, Hospitality Management, Forecasting, Budgeting, Hospitality, Financial Forecasting, Hotel Operations, Market Share, Target Market, Market Dynamics, Consumer Behaviour, Competitive Analysis, Data-Driven Decision-Making
Mixed · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Testability, Software Engineering, Android Development, Application Security, Test Case, Software Design, Software Architecture, Mobile Security, Application Design
Mixed · Course · 1 - 3 Months

Lund University
Skills you'll gain: Labor Law, Arbitration, Environmental Laws, Case Law, Legal Writing, Legal Research, Labor Relations, Tax, Tax Laws, Regulation and Legal Compliance, Commercial Laws, Compliance Management, Business, Contract Management, Governance
Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Data Import/Export, C++ (Programming Language), Data Structures, File Management, Computer Programming, Data Store, Computer Science
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Systems Design, Computer Architecture, Network Routing, Computational Logic, Electrical Engineering, Data Structures, Algorithms, Graph Theory, Mathematical Modeling, Calculus
Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, Artificial Neural Networks, Artificial Intelligence, AI Product Strategy, Generative AI, Deep Learning, Machine Learning, Convolutional Neural Networks, Supervised Learning, Reinforcement Learning, Unsupervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Object Oriented Programming (OOP), Behavior-Driven Development, Jenkins, Test Tools, Test Automation, Java Programming, CI/CD, Application Frameworks, Test Script Development, Software Design Patterns
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Public Speaking, Storytelling, Verbal Communication Skills, Motivational Skills, Performing Arts, Constructive Feedback, Writing, Leadership
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Bioinformatics, Big Data, Analytics, Data Mining, Health Informatics, Biomedical Technology, R Programming, Predictive Modeling, Statistical Analysis, Molecular Biology, Feature Engineering, Data Preprocessing, Classification Algorithms
Advanced · Course · 1 - 3 Months