
LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Program Development, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Linux Commands, Linux, Unix Commands, Linux Administration, Data Processing, Text Mining, Command-Line Interface, Data Manipulation, Unix, Scripting, Automation, File Management
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Debugging, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java, Computer Programming, Debugging, Programming Principles, Object Oriented Programming (OOP), Program Development, Algorithms, Data Import/Export, Data Analysis Software, Integrated Development Environments, Software Design, File I/O
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Java Programming, Java, Theoretical Computer Science, Programming Principles, Algorithms, Object-Relational Mapping, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Development Environment, Java, Integrated Development Environments, Encryption, Cryptography, Virtualization and Virtual Machines, Performance Tuning, Application Programming Interface (API), Object Oriented Programming (OOP), Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Maintainability
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Web Scraping, Data Processing, Data Manipulation, Data Transformation, Scripting, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Software Documentation, Java Programming, Java, Computer Programming, Programming Principles, Computational Thinking, Computer Science
Intermediate · Course · 1 - 4 Weeks