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.

University of Washington
Skills you'll gain: Work Breakdown Structure, Agile Project Management, Agile Methodology, Stakeholder Management, Project Management, Project Documentation, Project Scoping, People Management, Project Planning, Dependency Analysis, Product Roadmaps, Communication Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retail Management, Retail Store Operations, Merchandising, Revenue Management, Customer Analysis, Customer Insights, Product Assortment, Promotional Strategies, Strategic Marketing, Market Intelligence, Price Negotiation, Consumer Behaviour, E-Commerce, Inventory Management System, Operations Management, Competitive Analysis, Organizational Structure
Mixed · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Vulnerability Management, Security Information and Event Management (SIEM), Cyber Operations, Event Monitoring, Cyber Threat Hunting, Intrusion Detection and Prevention, Cyber Threat Intelligence, Enterprise Security, Threat Detection, Data Loss Prevention, Security Controls, Network Security, Network Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, Application Development, Software Documentation, Programming Principles, Data Validation, Computational Logic, Data Mapping
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, JavaScript Frameworks, UI Components, Javascript, Front-End Web Development, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Hibernate (Java), Multi-Tenant Cloud Environments, Object-Relational Mapping, Spring Boot, Performance Tuning, Java, Middleware, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Development, Microsoft Azure, Virtual Machines, Cloud Management, Infrastructure As A Service (IaaS), Virtualization, Application Deployment, Linux Administration, Linux, Web Applications, Node.JS, Javascript, MongoDB
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Vue.JS, Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Hardware Architecture, Security Engineering, Internet Of Things, Encryption, Network Security, Information Systems Security, Vulnerability Assessments, Cybersecurity, Threat Modeling, Data Security, Security Requirements Analysis, General Data Protection Regulation (GDPR), Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Simulations, Computer Hardware, Performance Tuning, Scalability, Data Storage
Intermediate · Course · 1 - 3 Months