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.

Universidad Nacional Autónoma de México
Skills you'll gain: R Programming, Statistical Analysis, Statistical Programming, Ggplot2, Quantitative Research, Data Manipulation, Statistical Software, Visualization (Computer Graphics), Exploratory Data Analysis, Graphical Tools, Simulations, Data Structures, Software Installation
Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Typography, Design Elements And Principles, Graphic Design, Graphic and Visual Design Software, Design, Visual Design, Photography, Design Software, Digital Design, Creative Design, Color Theory, Image Quality, Photo Editing, Creativity
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Neurology, Physiology, Anatomy, Cell Biology, Psychology, Pathology, Molecular Biology
Advanced · Course · 3 - 6 Months
Skills you'll gain: Node.JS, Restful API, React Redux, Database Design, React.js, Ajax, Database Development, Database Application, Server Side, Full-Stack Web Development, Back-End Web Development, NoSQL, Javascript, JavaScript Frameworks, Front-End Web Development, API Design, Cloud Applications, Data Structures, MongoDB, Debugging
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Scalability, Other Programming Languages, Java, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Influencing, Active Listening, Negotiation, Communication, Communication Strategies, Persuasive Communication, Verbal Communication Skills, Contract Negotiation, Trustworthiness, Leadership, Interpersonal Communications, Business Communication, Strategic Communication, Relationship Building, Initiative and Leadership, Professional Networking, Innovation, Growth Mindedness, Personal Development, Optimism
Beginner · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Education Software and Technology, Peer Review, Instrumental Music, Teaching, Music Performance, Oral Expression, World Music, Storytelling, Classroom Management, Media Production, Cultural Responsiveness, Writing, Creativity, Empowerment, Collaboration, Technology Solutions
Intermediate · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Probability, Graphing, Algebra, Bayesian Statistics, Arithmetic, Data Science, Calculus, Data Analysis, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Middleware, Verification And Validation, Business Process Automation, Process Driven Development, Data Integration, File Transfer Protocol (FTP), Test Automation, Development Testing, Java, Data Validation, Integration Testing, System Configuration, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Data Structures, Algorithms, Web Development Tools, Javascript, Development Environment, Integrated Development Environments, Computer Programming, Application Programming Interface (API), Debugging, HTML and CSS, Object Oriented Programming (OOP), Program Development, Computational Thinking, Performance Tuning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Continuous Integration, Software Versioning, Collaborative Software, Software Development Tools, Code Review, Issue Tracking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks