Skills you'll gain: Unix Commands, Command-Line Interface, Unix Shell, Unix, Bash (Scripting Language), File Management, Productivity, Computer Programming
★ 4.5 (381) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Maintainability, Data Store, Software Design, Application Development, Data Import/Export, Data Management, Data Validation
★ 4.4 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Java, OS Process Management, Scala Programming, Scalability, Server Side, Servers, Algorithms
★ 4.6 (506) · Intermediate · Course · 1 - 3 Months

Coursera
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Integrated Development Environments, Computer Programming, Program Development, Virtual Machines, Web Applications, Software Installation
★ 4.4 (84) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
★ 4.5 (110) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Object Oriented Design, Programming Principles, File I/O, Data Import/Export, Debugging, File Management, Memory Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Linux Commands, Command-Line Interface, Linux, Linux Servers, File Management
★ 4.4 (164) · Beginner · Guided Project · Less Than 2 Hours
Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Scripting, Command-Line Interface, Unix Shell, Scripting Languages, IT Automation, Unix, Linux, File I/O, File Management
★ 4.5 (63) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Command-Line Interface, Application Deployment, Build Tools, Service Oriented Architecture, Package and Software Management, Dependency Analysis, Service Design
Intermediate · Course · 1 - 4 Weeks