Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Software Design, IntelliJ IDEA, Object Oriented Programming (OOP), Java, Integrated Development Environments, File I/O, Data Structures, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Test Case, Cascading Style Sheets (CSS), Debugging, Mac OS
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java Programming, Java, Object Oriented Design, Data Structures, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, AI Personalization, Web Development, Web Applications, HTML and CSS, Prompt Engineering, Natural Language Processing, Javascript, Database Management, LLM Application, Real Time Data
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Web Development Tools, Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, JavaScript Frameworks, Web Frameworks, Event-Driven Programming, Data Import/Export, Web Applications, Front-End Web Development, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, React.js, Full-Stack Web Development, UI Components, Javascript, Node.JS, Application Deployment, Web Applications, Front-End Web Development, Web Development Tools, Object Oriented Programming (OOP), Web Development, Web Design and Development, Back-End Web Development, Scripting, Frontend Performance, Data Validation, Real Time Data, Browser Compatibility, Data Storage
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Import/Export, Data Persistence, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Build Tools, Integrated Development Environments, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Tools, Test Automation, Software Testing, Test Script Development, Test Case, Regression Testing, Test Execution Engine, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Data Pipelines, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Development Environment
Advanced · Course · 1 - 3 Months