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.

Peking University
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Object Oriented Programming (OOP), Software Engineering, Software Design, Program Development, Software Development Methodologies, Java, Software Development, Software Architecture, Software Design Patterns, C++ (Programming Language), Systems Analysis, Requirements Analysis
Beginner · Course · 3 - 6 Months

Skills you'll gain: Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Process Mapping, Key Performance Indicators (KPIs), Hospitality Management, Hospitality, Customer Analysis, Innovation, Customer Insights, Corporate Sustainability, Continuous Improvement Process, Feasibility Studies, Collaboration, Empathy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Responsible AI, Human Centered Design, Human Computer Interaction, Generative AI, Interaction Design, User Interface (UI), Data Ethics, Artificial Intelligence, Conceptual Design, Machine Learning, Deep Learning
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Financial Reporting, Generally Accepted Accounting Principles (GAAP), Financial Statements, Financial Statement Analysis, Balance Sheet, Income Statement, Cash Flows, Revenue Recognition, Inventory Accounting, Fixed Asset, Depreciation, Accounts Receivable
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Programming Principles, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), API Testing, Unit Testing, Performance Testing, Functional Testing, Test Automation, Web Development Tools, Usability Testing, User Interface (UI), Test Case, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Post-Production, Storytelling, Video Editing, Timelines, Color Theory, Cinematography, Web Content Accessibility Guidelines, Music, Editing
Mixed · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Persuasive Communication, Patient Communication, Interviewing Skills, Cultural Sensitivity, Cultural Diversity, Media and Communications, Diversity Awareness, Public Health, Interpersonal Communications, Rapport Building, Driving engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Desktop Support, Generative AI, End User Training and Support, System Support, Prompt Engineering Tools, Technical Support, Product Support, ChatGPT, Automation
Beginner · Course · 1 - 4 Weeks