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.

Packt
Skills you'll gain: Spring Framework, Security Assertion Markup Language (SAML), OAuth, Secure Coding, Single Sign-On (SSO), Lightweight Directory Access Protocols, Authorization (Computing), Application Security, Cloud Security, Build Tools, Gradle, Authentications, Cloud-Native Computing, Back-End Web Development, Object-Relational Mapping, Identity and Access Management, Spring Boot, Database Development, Java, Kubernetes
Intermediate · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Assertion Markup Language (SAML), Spring Framework, OAuth, Authorization (Computing), Authentications, Single Sign-On (SSO), Java Programming, Role-Based Access Control (RBAC), Spring Boot, Identity and Access Management, Data Persistence, Apache Tomcat, Data Access, Security Controls, Public Key Infrastructure, Databases
Advanced · Course · 1 - 3 Months

Skills you'll gain: React Native, Mobile Development, User Interface (UI) Design, Front-End Web Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, UI Components, JavaScript Frameworks, User Story, Android Development, Mobile Development Tools, Database Application
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Python Programming, Data Import/Export, Memory Management, File I/O, Computational Logic, Network Protocols, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Responsive Web Design, Web Development Tools, Web Development, Cascading Style Sheets (CSS), Bootstrap (Front-End Framework), Scripting, Semantic Web, Debugging, Software Development Tools, Development Environment, Event-Driven Programming, Browser Compatibility
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Restful API, AI Integrations, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OAuth, Spring Framework, Single Sign-On (SSO), Application Security, Cloud Security, Build Tools, Authentications, Gradle, Cloud-Native Computing, Spring Boot, Security Controls, Microservices, Hardening, Lightweight Directory Access Protocols, AWS Identity and Access Management (IAM), Identity and Access Management, Authorization (Computing), Cloud Deployment, Configuration Management
Advanced · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Object Oriented Programming (OOP), Java, Integrated Development Environments, Data Structures, Java Programming, File I/O, Computer Programming, Algorithms, Programming Principles, Development Environment, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
Intermediate · Guided Project · Less Than 2 Hours