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 California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Communication Strategies, Social Media, Web Design and Development, Web Analytics and SEO, Marketing, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Brand Strategy
★ 4.1 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Selenium (Software), Test Script Development, Unit Testing, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Java, Maintainability, Code Reusability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Browser Compatibility, Secure Coding, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, Data Validation, Data Management
★ 3.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, C++ (Programming Language), C and C++, Programming Principles, Algorithms, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Management, Cloud Computing, Cloud Services, Cloud Technologies, Cloud Platforms, Cost Management, Cost Containment, Cloud Engineering, Cloud Deployment, Cost Control, Cross-Functional Collaboration, Expense Management, Billing Systems, Fiscal Management, Billing, Accountability
★ 3.3 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
★ 4.7 (43) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Continuous Integration, Ansible, Docker (Software), DevOps, Devops Tools, Continuous Delivery, SonarQube, Software Configuration Management, Continuous Deployment, Continuous Monitoring, Configuration Management, Containerization, Disaster Recovery, Key Management, Authentications, Authorization (Computing), Security Management
★ 4.6 (12) · Intermediate · Course · 1 - 4 Weeks

Interplay Learning
Skills you'll gain: Basic Electrical Systems, Electrical Systems, Electrical Power, HVAC, Electrical Engineering, Energy and Utilities, Electronics, Electronic Components, electromagnetics, Physics, Systems Of Measurement, Engineering Calculations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Prompt Engineering Tools, Generative AI, ChatGPT, Self Service Technologies, Customer Service, AI Personalization, Content Performance Analysis, Customer Support, Customer Communications Management, Customer Inquiries, AI Workflows, Customer experience improvement, Customer and Client Support, Microsoft Copilot, Customer Insights, AI Integrations, Customer Relationship Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Strategic Communication, Communication Planning, Emergency Response, Corporate Communications, Contingency Planning, Communication Strategies, Case Studies, Stakeholder Communications, Internal Communications
★ 4.6 (24) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction, Construction Engineering, Civil Engineering, Building Services Engineering, HVAC, Public Works, Construction Management, Structural Engineering, Land Development, Sustainable Development, Cost Estimation, Structural Analysis, Safety Standards, Engineering Analysis
★ 4.6 (10) · Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: TypeScript, Javascript, Scripting, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Web Applications
Intermediate · Guided Project · Less Than 2 Hours