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.

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Customer Communications Management, Customer experience strategy (CX), Integrated Marketing Communications, Cross-Channel Marketing, Service Level, Systems Integration, Security Controls
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Strategic Leadership, Change Management, Organizational Change, Leadership, Organizational Leadership, Visionary, Decision Making, Communication, Culture Transformation, Organizational Strategy, Emotional Intelligence, Conflict Management, Negotiation, Empathy, Business Strategy, Stakeholder Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Command-Line Interface, Operating Systems, Python Programming, File Management, Scripting, User Interface (UI), Data Import/Export, Data Structures, Simulations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Data Structures, Algorithms, Web Development Tools, Javascript, Pseudocode, Development Environment, Integrated Development Environments, Computer Programming, Application Programming Interface (API), Debugging, HTML and CSS, Object Oriented Programming (OOP), Computational Thinking, Performance Tuning, Solution Design
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Innovation, Product Lifecycle Management, New Product Development, Design Thinking, Agile Product Development, Product Development, Product Management, Business Modeling, Product Strategy, Customer experience strategy (CX), Product Marketing, Key Performance Indicators (KPIs), Value Propositions, Performance Measurement, Portfolio Management, Customer Insights, Business Metrics, Customer experience improvement, Lean Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Front-End Web Development
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Mobile Development, User Interface (UI), UI Components, Model View Controller, Application Development, Responsive Web Design, Storyboarding
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: GitHub, Git (Version Control System), Version Control, Collaborative Software, Software Versioning, Software Development Tools
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, C# (Programming Language), Programming Principles, .NET Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Model Evaluation, Machine Learning Software, Workflow Management, Predictive Modeling, Business Process, Governance Risk Management and Compliance, Continuous Monitoring, SAS (Software), Text Mining, R Programming, Scheduling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Interactive Data Visualization, Data Visualization, Infographics, Dashboard, Data Visualization Software, Presentations, Data-Driven Decision-Making, Persuasive Communication
Intermediate · Course · 1 - 4 Weeks