Java Basics courses can help you learn object-oriented programming, data types, control structures, and exception handling. You can build skills in writing efficient code, debugging, and using Java libraries to enhance functionality. Many courses introduce tools like Integrated Development Environments (IDEs) such as Eclipse or IntelliJ IDEA, which streamline coding and testing processes, along with version control systems like Git to manage code changes effectively.

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Computer Programming, Computational Thinking, Spatial Data Analysis, Theoretical Computer Science, Simulations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Application Frameworks, Software Testing, Test Case, Development Environment, Model View Controller, Software Development Tools, Java Platform Enterprise Edition (J2EE), Authentications, Software Design Patterns, SQL, Data Persistence, Mockups, JSON, User Interface (UI), Functional Design, Databases, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Information Systems Security, Cybersecurity, Identity and Access Management, Authentications, Personally Identifiable Information, Security Controls, Threat Management, Data Security, Information Privacy, Network Security, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), OAuth, Back-End Web Development, Eclipse (Software)
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Markup Language (XML), Network Protocols, YAML, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Apache Maven, Build Tools, CI/CD, Software Configuration Management, Version Control, Java, Software Versioning, Configuration Management, Package and Software Management, Mac OS, Software Installation
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Active Listening, Social Skills, Relationship Building, Professionalism, Influencing, Professional Development, Interpersonal Communications, Empathy, Conflict Management, Decision Making, Cognitive flexibility, Constructive Feedback, Critical Thinking, Communication Strategies, Communication, Problem Solving, Business Ethics, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apple iOS, iOS Development, Transaction Processing, Mobile Development, User Interface (UI), UI Components, Payment Systems, User Experience Design, User Experience
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Engineering Design Process, Engineering Drawings, Prototyping, Drafting and Engineering Design, Mechanical Drawings, Computer-Aided Design, Technical Drawing, Robotics
Beginner · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Business, Market Dynamics, Supply Chain Management, Business Strategy, Business Operations, Logistics Management, Business Economics, Marketing, Competitive Analysis, Profit and Loss (P&L) Management, Value Propositions, Strategic Decision-Making, Market Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphics, Graphical Tools, Animation and Game Design, File Management, Augmented and Virtual Reality (AR/VR), Virtual Environment, Content Management, Animations, Game Design, User Interface (UI), Image Quality, Performance Tuning, Simulations
Beginner · Specialization · 3 - 6 Months