
Codio
Skills you'll gain: Algorithms, Data Structures, Java, Theoretical Computer Science, Computer Programming, Computational Thinking
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Android Studio, Android Development, Object Oriented Programming (OOP), Java Programming, Java, Mobile Development, Data Structures, Integrated Development Environments, Computer Programming, Debugging, Algorithms
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, Hibernate (Java), PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Database Design, Databases, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Query Languages, Database Management, Database Systems, Transaction Processing
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Object-Relational Mapping, Application Development, Web Development, Web Servers, Server Side, Application Frameworks, Scripting, Middleware, Javascript and jQuery, Data Storage, Apache Tomcat, Session Initiation Protocols, Enterprise Architecture, Hypertext Markup Language (HTML), Model View Controller
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Java, Web Servers, Encryption, Software Installation
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Kotlin, Object Oriented Programming (OOP), Java, Java Programming, Spring Framework, Android Development, IntelliJ IDEA, Functional Design, Interoperability, Unit Testing
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Java Programming, Program Development, Pedagogy, Computer Programming, Integrated Development Environments, Software Design, Computational Thinking, Cultural Responsiveness, Test Case, Computational Logic, Pseudocode, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Hibernate (Java), Object-Relational Mapping, Spring Boot, Restful API, Java, NoSQL, Database Development, SQL, Databases, Database Design, Java Programming, Data Access, Database Management, Relational Databases, Back-End Web Development, Query Languages, Software Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Unit Testing, JUnit, Test Case, Test Driven Development (TDD), Code Coverage, Software Testing, Software Development, Software Engineering, Java Programming, Java
Beginner · Guided Project · Less Than 2 Hours

Rice University
Skills you'll gain: Dataflow, Java, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Computer Science
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Eclipse (Software), Java, Java Programming, Functional Design
Intermediate · Guided Project · Less Than 2 Hours