LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Eclipse (Software), Object Oriented Programming (OOP), Object Oriented Design, Integrated Development Environments, Development Environment, Software Design, Computer Programming, Application Frameworks, Programming Principles, Virtual Machines, Web Development, Data Persistence, Debugging, Package and Software Management, Data Structures
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Development Environment, Computer Programming, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, File I/O, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Development, UI Components, Program Development, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Software Documentation, Application Design, Software Testing, Performance Tuning, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Security, Java, Model View Controller, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Object Oriented Design, Java, Java Programming, File Management, Application Development, Programming Principles, Data Structures, Data Management, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Data Persistence, Stored Procedure, SQL, Integration Testing, Application Development, Command-Line Interface, Application Deployment, Data Integrity, Databases, Programming Principles, Application Programming Interface (API), Secure Coding, System Programming, Mitigation
Intermediate · Specialization · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Software Testing, Programming Principles, Test Driven Development (TDD), Computer Programming
Beginner · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Java, Object Oriented Programming (OOP), Oracle Cloud, Computer Programming, Cloud Development, Integrated Development Environments, Development Environment
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence, Context Management
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Java Programming, Java, Feature Engineering, Deep Learning, Data Pipelines
Advanced · Course · 1 - 4 Weeks