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: Rmarkdown, Version Control, Web Scraping, Regression Analysis, Knitr, Exploratory Data Analysis, Statistical Analysis, Data Manipulation, Dimensionality Reduction, Ggplot2, Geospatial Information and Technology, Time Series Analysis and Forecasting, Plotly, Microsoft Azure, Data Cleansing, Data Visualization, Software Documentation, R Programming, Data Quality, Microsoft Copilot
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Data Persistence
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Vue.JS, HTML and CSS, Web Applications, JavaScript Frameworks, Front-End Web Development, Web Components, Javascript, Data Persistence
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Kubernetes, Cloud-Native Computing, YAML, Containerization, Application Deployment, Microservices, Virtual Machines, Data Persistence, Virtual Environment, Ubuntu, Network Architecture, Command-Line Interface, Scalability
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Data Mart, Business Intelligence, Extract, Transform, Load, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: ServiceNow, Problem Management, Incident Management, IT Service Management, Information Technology Infrastructure Library, Release Management, Service Management, Change Management, Problem Solving, Root Cause Analysis, IT Management, Operational Efficiency, Automation, Workflow Management
Beginner · Course · 1 - 4 Weeks
University of Michigan
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Environment, Software Development Tools, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Cloud Development, Event-Driven Programming, Development Testing, Javascript
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Ajax, Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Data Validation, Prototyping, Computational Logic, Maintainability, Programming Principles, Web Development, Software Development, Debugging, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AutoCAD, Technical Drawing, Engineering Drawings, Computer-Aided Design, Architectural Drawing, Drafting and Engineering Design, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Stakeholder Engagement, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Performance Measurement, Strategic Partnership, Sustainable Development, Corporate Strategy, Sustainability Standards, Supply Management, Procurement, Business Strategies, Business Operations, Strategic Communication, Business Leadership, Organizational Strategy, Supply Chain Management, Systems Thinking, Communication
Beginner · Specialization · 1 - 3 Months