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.

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
★ 4.8 (1.9K) · Intermediate · Course · 1 - 3 Months

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
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks

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
★ 4.6 (2.5K) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Context Management
★ 4.6 (1.5K) · Intermediate · Course · 1 - 4 Weeks

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

Universidad de Palermo
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java, Java Programming, Software Design, Programming Principles, Software Development
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Data Management, Secure Coding, Theoretical Computer Science, Programming Principles, Other Programming Languages, Performance Tuning, Computer Programming
★ 3.7 (14) · Intermediate · Specialization · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Application Design, Software Design, Software Design Patterns, Functional Design, Other Programming Languages, Event-Driven Programming, Functional Testing, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
★ 4.5 (3.1K) · 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

Skills you'll gain: Java Programming, Information Management, Application Programming Interface (API), Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

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
★ 4.6 (794) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Web Design and Development, Test Data, Test Tools, Browser Compatibility, Computer Programming, Web Development, Programming Principles
★ 4.5 (33) · Beginner · Specialization · 3 - 6 Months