
LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Build Tools, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Restful API, Web Applications, Scalability
★ 4.5 (52) · Advanced · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Java Programming, Java, Software Design, File Management, Data Persistence
★ 4.2 (91) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Memory Management, Programming Principles, Software Engineering, Debugging, Program Development, Data Structures, IntelliJ IDEA, Application Development, Software Development, Maintainability, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Bioinformatics, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), Data Analysis, Web Scraping, Software Testing, Problem Solving
★ 4.6 (8.1K) · 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, File Systems, Computer Programming, Programming Principles, Program Development, Data Structures, Data Persistence, Code Reusability, Data Management
★ 4.8 (73) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Development Testing, Authorization (Computing), Test Case, Mobile Development, Software Testing, Object Oriented Programming (OOP), Data Structures, Object Oriented Design, Application Development, Functional Design
★ 4.7 (92) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
★ 4.5 (1.9K) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Spring Framework, Object Oriented Design, Cascading Style Sheets (CSS), Javascript
★ 4.4 (864) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
★ 4.6 (18) · Intermediate · Specialization · 1 - 3 Months
Multiple educators
Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, File I/O, Interactive Data Visualization, Java, Java Programming, Object Oriented Design, Object Oriented Programming (OOP), User Interface (UI), Debugging, Software Testing, Computer Programming, Cryptography, Software Engineering, Bioinformatics, Algorithms, Data Analysis, Software Design, Problem Solving
★ 4.6 (15K) · Beginner · Specialization · 3 - 6 Months

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

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, Computer Programming, Code Reusability, Programming Principles, Application Frameworks, Data Structures, Model View Controller, Development Environment
Intermediate · Course · 1 - 4 Weeks