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: SonarQube, Apache Maven, Jenkins, Apache Tomcat, Build Tools, Devops Tools, Application Deployment, Java, DevOps, Application Servers, Amazon Web Services, Continuous Integration, CI/CD, Software Installation, Amazon Elastic Compute Cloud, Git (Version Control System), Dependency Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, JUnit, Spring Boot, Unit Testing, Integration Testing, Data Pipelines, Event-Driven Programming, Encryption, Distributed Computing
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Email Automation, Google Sheets, Scripting, Google Workspace, Scripting Languages, Spreadsheet Software, Productivity Software, Automation, Hypertext Markup Language (HTML), Data Access, HTML and CSS, Javascript, Supplier Relationship Management
Beginner · Guided Project · Less Than 2 Hours

Edureka
Skills you'll gain: TypeScript, Object Oriented Design, Object Oriented Programming (OOP), Programming Principles, Software Design, Computer Programming, Software Architecture, Code Reusability, Debugging, Maintainability, Software Development, Javascript, Web Development Tools, Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Data Structures, Javascript, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Full-Stack Web Development, Server Side, Restful API, JavaScript Frameworks, Web Development, Web Frameworks, Frontend Integration, Web Applications, Web Servers, Javascript, Servers
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, iOS Development, Mobile Development Tools, User Interface (UI) Design, UI Components, Application Development, User Interface (UI), React.js, JavaScript Frameworks, Data Persistence, Data Store, Data Storage Technologies, Context Management, Development Environment, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Responsive Web Design, OpenAI API, HTML and CSS, Cascading Style Sheets (CSS), Javascript, LLM Application, Application Development, User Interface (UI) Design, Web Design and Development, Application Programming Interface (API), OpenAI, Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Distributed Computing, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Big Data, Data Infrastructure, File Systems, Data Processing, Data Storage, Java, Systems Administration, Distributed Computing, File I/O, System Configuration, File Management, Metadata Management, Computing Platforms, Linux Commands
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Git (Version Control System), React.js, Version Control, GitHub, Debugging, Software Development Tools, Node.JS, Development Environment, Collaborative Software, Program Development, Development Testing, Software Testing, Software Versioning, Unit Testing, Maintainability, Application Deployment, Build Tools, Server Side, Scripting, Javascript
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Application Programming Interface (API), Unit Testing, Server Side, Software Design Patterns, Back-End Web Development, Javascript, HTML and CSS, Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks