Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Scalability, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), JSON, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Open Web Application Security Project (OWASP), Security Engineering, Security Requirements Analysis, Security Controls, Data Security, Vulnerability Management, Computer Security, Vulnerability, Vulnerability Assessments, Databases, Information Privacy, Role-Based Access Control (RBAC), Computer Programming, Python Programming, Node.JS, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, C# (Programming Language), Application Frameworks, Network Routing, Web Applications, Javascript, Event-Driven Programming, Model View Controller, Server Side, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, PHP (Scripting Language), jQuery, Hypertext Markup Language (HTML), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Restful API, Javascript, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Development Environment
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Enterprise Application Management, Java, Integration Testing, Configuration Management, Software Design Patterns, Extensible Markup Language (XML), Context Management, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Bootstrap (Front-End Framework), Web Applications, UI Components, Full-Stack Web Development, Web Development Tools, Authentications, Front-End Web Development, HTML and CSS, Cascading Style Sheets (CSS), Authorization (Computing), Application Programming Interface (API), User Interface (UI), Javascript, Microsoft Azure, Network Routing, Event-Driven Programming, User Interface (UI) Design, Data Validation, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Bootstrap (Front-End Framework), UI Components, HTML and CSS, Cascading Style Sheets (CSS), Application Programming Interface (API), User Interface (UI), Javascript, Web Development Tools, Network Routing, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, HTML and CSS, Bootstrap (Front-End Framework), Web Design, User Interface (UI), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Event-Driven Programming, Web Applications, UI Components, Web Development, Interactive Design, User Interface (UI) Design, Javascript, jQuery, User Experience Design, Web Design and Development, Animations
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Front-End Web Development, Responsive Web Design, Bootstrap (Front-End Framework), HTML and CSS, User Interface (UI), Web Design, Event-Driven Programming, UI Components, Web Applications, Javascript, jQuery, Animations, Real Time Data
Intermediate · Course · 1 - 3 Months