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 Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, Computer Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, User Interface (UI) Design, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Databases
★ 4.4 (20) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Business Reporting, Data Visualization, Data Management, Debugging, File Management
★ 4.8 (71) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Development Tools, Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Application Development, Javascript, Data Persistence
★ 4.3 (41) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Responsive Web Design, Programming Principles, Prototyping, Network Protocols
★ 4.5 (54) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Modeling, Financial Data, Risk Analysis, Investment Management, Return On Investment, Time Series Analysis and Forecasting, Financial Modeling, Investments, Object Oriented Programming (OOP), Statistical Analysis, General Finance, Correlation Analysis, Simulations, Regression Analysis, Financial Forecasting, Simulation and Simulation Software, Jupyter, Python Programming
★ 4.5 (12) · Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Cybersecurity, Cyber Attacks, Threat Management, Security Controls, Cyber Security Strategy, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Data Security, Enterprise Security, Information Assurance, Data Integrity
★ 4.8 (63) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Public Works, Land Development, Governance, Climate Change Adaptation, Land Management, Community Development, Environmental Issue, Operational Analysis, Cost Management, Sustainable Development, Policty Analysis, Research, and Development, Economic Development, Project Finance, Spatial Analysis, Transportation Operations, Finance, Demography
★ 4.8 (20) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Computer Security Incident Management, Cyber Threat Intelligence, Network Planning And Design, Malware Protection, Information Technology Architecture
★ 4 (40) · Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Large Language Modeling, ChatGPT, LLM Application, Generative AI, Generative Model Architectures, Natural Language Processing, Model Evaluation, Responsible AI, Model Training, Data Ethics, Deep Learning, Artificial Neural Networks
★ 4.4 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, UI Components, Web Development Tools, JavaScript Frameworks, User Interface (UI), TypeScript, Cascading Style Sheets (CSS)
★ 4.4 (12) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Scenario Testing, Simulations, Infrastructure Security, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Role-Based Access Control (RBAC), Risk Management Framework, Disaster Recovery, Encryption
★ 4.6 (45) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Versioning, Software Configuration Management, Collaborative Software, IntelliJ IDEA, Integrated Development Environments, Software Development, Software Installation, Devops Tools, Software Development Tools, Microsoft Visual Studio, Eclipse (Software), File Management, Linux, Open Source Technology, Release Management, Command-Line Interface, Authentications
★ 4.2 (34) · Beginner · Specialization · 1 - 3 Months