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.

Johns Hopkins University
Skills you'll gain: Health Care, Clinical Assessment, Primary Care, Psychosocial Assessments, Maternal Health, Health Assessment, Public Health and Disease Prevention, Patient-centered Care, Behavioral Health, Obstetrics And Gynecology, Gynecology, Community Health, Health Technology, Cultural Diversity, Health Policy, Safety and Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Data Manipulation, Data Warehousing, Cloud Development, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Stored Procedure, Data Storage, Database Management, Generative AI, Data Science, Data Import/Export, Machine Learning
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Software Architecture, Unified Modeling Language, Software Design, Product Family Engineering, Software Systems, Software Development, Software Documentation, Software Design Patterns, Middleware, Maintainability, Application Deployment, Scalability, Databases
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Relationship Management, Rapport Building, Business Development, Customer Retention, Communication, Business Communication, Stakeholder Engagement, Market Opportunities, Organizational Development, Upselling, Active Listening
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Front-End Web Development, JSON, Application Development, Model View Controller, Program Development, Javascript, Development Environment, Back-End Web Development, API Design, Web Development, Microsoft Visual Studio, Software Design Patterns, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy, Usability Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Computing Architecture, Wireless Networks, Cloud Computing, Internet Of Things, Local Area Networks, Emerging Technologies, Network Architecture, Telecommunications, Amazon Web Services, General Networking, Infrastructure As A Service (IaaS), Hardware Architecture, Network Protocols, Amazon Elastic Compute Cloud
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Statistical Methods, Regression Analysis, Plot (Graphics), Data Cleansing, Statistical Hypothesis Testing, Correlation Analysis, Data Preprocessing, Matplotlib, Data Visualization, Statistical Analysis, Scatter Plots, R Programming, Data Analysis, Descriptive Statistics, Pandas (Python Package), Python Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Vibrations, Mechanics, Torque (Physics), Linear Algebra, Numerical Analysis, Simulations, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Differential Equations, Simulation and Simulation Software, Applied Mathematics, Verification And Validation, Engineering, Advanced Mathematics, Systems Of Measurement, Physics, Calculus
Advanced · Specialization · 3 - 6 Months

Lund University
Skills you'll gain: Legal Research, Law, Regulation, and Compliance, International Relations, Compliance Management, Environmental Laws, Public Policies, Case Law, Commercial Laws, Economics, Governance
Beginner · Course · 1 - 3 Months