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.

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Application Security, Security Controls, Cloud Platforms, Other Programming Languages, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Computer Programming Tools
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Statistical Modeling, Regression Analysis, Statistical Inference, Probability & Statistics, Correlation Analysis, Data Analysis, Statistical Analysis, Statistical Hypothesis Testing, R Programming, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cybersecurity, Metasploit, Cyber Attacks, Application Security, Exploitation techniques, Security Awareness, Malware Protection, Vulnerability Assessments, Javascript, Web Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Scraping, Data Import/Export, Extensible Markup Language (XML), Data Processing, Selenium (Software), Cascading Style Sheets (CSS), JSON, MongoDB, Restful API, Data Storage
Beginner · Course · 3 - 6 Months

Skills you'll gain: Timelines, Google Gemini, Calendar Management, Scheduling, Google Sheets, Project Management Software, Social Media Marketing, Team Management, Content Creation, Social Media Strategy
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Governance, Incident Response, Data Security, Accountability, Compliance Management, Data Processing, Data Sharing, Data Access, Regulatory Requirements, Informed Consent
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Electronics, Systems Of Measurement, Data Processing, Data Science, Electronic Components, Data Cleansing, Data Analysis Software, Statistical Methods, Analytical Skills, NumPy, Real Time Data, Regression Analysis, Mathematical Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Ajax, Development Environment, Content Management Systems, Content Management, Web Development, Data Management, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Information Architecture, Cascading Style Sheets (CSS), Data Security, Data Validation
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Plot (Graphics), Ggplot2, Statistical Visualization, Box Plots, Scatter Plots, Data Visualization, Histogram, Descriptive Statistics, Data Visualization Software, Graphing, R Programming, Data Science
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Informatics, Strategic Communication, Strategic Planning, Business Planning, Innovation, Telehealth, Organizational Strategy, Design Thinking, Business Strategy, Health Care Administration, Health Care, Business Management, Emerging Technologies, User Centered Design
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Debugging, Data Analysis, Simulations, Integrated Development Environments, Data Import/Export, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks