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.

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Cloud Services, Microsoft Power Automate/Flow, Microsoft Teams, Productivity Software, Microsoft Power Platform, Cloud-Based Integration, Endpoint Security, Cloud Computing, Cloud Storage, Security Software, Microsoft Windows, Data Security, Microsoft Outlook, Data Loss Prevention, Business Technologies, Microsoft Excel, Microsoft PowerPoint
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Data Analysis Expressions (DAX), Business Reporting, Data Visualization, Interactive Data Visualization, Excel Macros, Data Presentation, Dashboard, Forecasting, Management Reporting, Analytics, Advanced Analytics, Data Analysis, Business Analytics, Chart.js, Data Validation, Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Professional Development, Leadership, Business Planning, Auditing, Strategic Planning
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, HTML and CSS, C# (Programming Language), React.js, Object Oriented Programming (OOP), Restful API, .NET Framework, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JSON, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Web Development, User Interface (UI), Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
Advanced · Course · 1 - 3 Months
University of Virginia
Skills you'll gain: Revenue Management, Global Marketing, Consumer Behaviour, Marketing Psychology, Customer Insights, Customer Analysis, Case Studies, Market Research, Behavioral Economics, Decision Making, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Data Import/Export, Mobile Development, Application Development, Data Persistence, Authentications
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java Programming, Java, Graph Theory, Computer Programming, Computational Thinking, Spatial Data Analysis, Theoretical Computer Science, Memory Management, Simulations, Performance Tuning
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Public Health, Health Disparities, Infection Control, Health Equity, Cardiology, Social Determinants Of Health, Chronic Diseases, Microbiology, Community Health, Socioeconomics, Preventative Care, Health Policy, Bloodborne Pathogens, Health Education, Health Assessment, Internal Medicine, Demography
Beginner · Specialization · 1 - 3 Months

Utrecht University
Skills you'll gain: Epidemiology, Clinical Practices, General Medicine, Clinical Research, Medical Science and Research, Diagnostic Tests, Clinical Trials, Public Health, Patient Treatment, Predictive Modeling
Intermediate · Course · 1 - 3 Months