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 London
Skills you'll gain: Sampling (Statistics), Descriptive Statistics, Data Presentation, Statistics, Estimation, Probability, Data-Driven Decision-Making, Probability & Statistics, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution, Data Visualization, Data Analysis, Histogram, Graphing
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Global Marketing, Brand Management, Marketing, Strategic Marketing, Branding, Customer Relationship Management, Marketing Strategy and Techniques, Digital Marketing, Marketing Communications, Marketing Channel, Business Ethics, Market Research, Value Propositions, Consumer Behaviour, Corporate Sustainability, Innovation
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Data Warehousing, Data Pipelines, Data Processing, Supervised Learning, Data Modeling, Data Cleansing, Big Data, Data Science, Machine Learning Algorithms, Exploratory Data Analysis, Classification And Regression Tree (CART), Data Quality, Data Analysis, Unstructured Data, Analysis, Data Presentation, Analytical Skills
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Data Science, Big Data, Statistical Programming, Text Mining, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Rust (Programming Language), Development Testing, Software Testing, Data Structures, Debugging, GitHub, Programming Principles, Package and Software Management, Integrated Development Environments, Secure Coding, System Programming
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Public Health, Infectious Diseases, Community Health, Economics, Policy, and Social Studies, Health Systems, Socioeconomics, Health Policy, Emergency Response, Patient Evaluation, Immunology, Diagnostic Tests, Microbiology, Media and Communications, Molecular Biology, Pathology
Beginner · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanics, Mechanical Engineering, Simulations, Engineering Calculations, Physics, Applied Mathematics, Energy and Utilities, Engineering Analysis, Systems Of Measurement
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Emerging Technologies, Internet Of Things, Network Security, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Telecommunications, Cybersecurity, Technology Roadmaps, Technology Strategies, Artificial Intelligence and Machine Learning (AI/ML), Automation, Real Time Data
Intermediate · Specialization · 1 - 3 Months

King Abdullah University of Science and Technology
Skills you'll gain: Statistical Analysis, Bioinformatics, Unix, Scientific Visualization, R Programming, Rmarkdown, Unix Commands, Data Analysis, Data Quality, Statistical Hypothesis Testing, Exploratory Data Analysis, Pandas (Python Package), Python Programming, NumPy, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Non-Verbal Communication, Verbal Communication Skills, Patient Communication, Storytelling, Public Speaking, Communication, Health Education, Communication Strategies, Interpersonal Communications, Concision, Persuasive Communication, Critical Thinking
Beginner · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Negotiation, Leadership Development, Professional Development, Organizational Leadership, Communication, Leadership, Influencing, Overcoming Obstacles, Personal Development, Empowerment, Relationship Building, Self-Awareness, Workplace inclusivity, Diversity and Inclusion, Assertiveness
Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Network Analysis, Emerging Technologies, Operating Systems, Digital Communications, Peripheral Devices, Market Trend, Network Architecture, Global Positioning Systems, Market Analysis
Beginner · Course · 1 - 3 Months