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.

Skills you'll gain: NoSQL, Real Time Data, Scalability, Database Design, Application Deployment, Big Data, Data Access, Data Manipulation, Performance Tuning, Data Modeling, Distributed Computing, Data Storage Technologies
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Application Programming Interface (API), Relational Databases, Databases, Authorization (Computing), Secure Coding, NoSQL, SQL, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Mobile Development, Android (Operating System), Video Game Development, Game Design, C# (Programming Language), User Interface (UI), Scripting, Programming Principles, Development Environment, Animations
Beginner · Course · 3 - 6 Months

Skills you'll gain: Test Automation, JUnit, Performance Testing, Query Languages
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Front-End Web Development, Cascading Style Sheets (CSS), Web Development Tools, User Interface (UI), React.js, Javascript, Web Servers, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Services, Cloud Computing, Microsoft Azure, CI/CD, Cloud Infrastructure, Cloud Applications, Infrastructure As A Service (IaaS), Application Deployment, Continuous Deployment, Continuous Integration, Platform As A Service (PaaS), Angular, System Testing, Application Performance Management, Full-Stack Web Development, Node.JS, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Probability Distribution, Data Science, Probability & Statistics, Predictive Analytics, Probability, Statistical Modeling, Data Analysis, Regression Analysis, Statistical Analysis, Statistical Methods, Statistical Machine Learning, Bayesian Statistics, Statistical Inference, Feature Engineering, Applied Mathematics, Python Programming, Machine Learning, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Code Review, Continuous Integration, Code Coverage, Software Quality Assurance, Software Quality (SQA/SQC), Software Technical Review, CI/CD, Apache Maven, GitHub, PostgreSQL, Programming Principles, Software Engineering, Software Development, Configuration Management, Git (Version Control System), Building Codes, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, C# (Programming Language), Android (Operating System), Mobile Development, Scripting, Scripting Languages, Video Game Development, Game Design, Application Development, Cross Platform Development, User Interface (UI)
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Web Design, Interactive Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Usability, User Interface (UI) Design, UI Components, Browser Compatibility, Web Development
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Deepseek, Responsible AI, LLM Application, Generative Model Architectures, AI Product Strategy, Application Deployment, Data Ethics, Case Studies, Prompt Engineering, Automation, Integration Testing, Process Optimization, Program Evaluation, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Full-Stack Web Development, Web Applications, Web Servers, Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data
Intermediate · Course · 1 - 3 Months