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.

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Data Persistence, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Java Programming, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, JUnit, Build Tools, Java Programming, MLOps (Machine Learning Operations), Java, Performance Tuning, Decision Tree Learning, Classification And Regression Tree (CART), Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Object Oriented Programming (OOP), Apache, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Software Development, Development Environment, Integrated Development Environments, Programming Principles
Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: Taxonomy, AI Personalization, Spreadsheet Software, Machine Learning, Predictive Analytics, Microsoft Excel, Data Collection, Statistics, Algorithms, Computer Programming, Java
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Program Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Integrated Development Environments, Computational Logic, Pseudocode, Algorithms, Test Case
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Studio, Android Development, Mobile Development, Mockups, Mobile Development Tools, Software Design Patterns, Kotlin, Application Development, User Interface (UI) Design, Prototyping, Application Design, User Interface and User Experience (UI/UX) Design, Development Environment, Gradle, Java Programming, Extensible Markup Language (XML), GitHub
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Vulnerability Assessments, Data Security, Application Security, Exploitation techniques, Security Controls, Software Design, Verification And Validation, Java, Code Review, Programming Principles, Debugging, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Back-End Web Development, Restful API, Web Applications, Web Development, Cloud Computing, Web Servers, Javascript, GitLab, Authentications, JSON, Computer Science, Middleware
Intermediate · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: File I/O, Integrated Development Environments, System Configuration
Beginner · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Classification Algorithms, Data Preprocessing, Model Deployment, Model Evaluation, Decision Tree Learning, Regression Analysis, Logistic Regression
Beginner · Course · 1 - 4 Weeks