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: TypeScript, Code Reusability, React.js, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Layout Design, UI Components, Front-End Web Development, Multimedia, Usability, Web Development, Interactive Design, Javascript, Graphic and Visual Design, Web Design and Development, Typography, Project Design, User Interface (UI), Web Analytics and SEO
★ 4.7 (13) · Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Javascript
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: JSON, Restful API, Javascript, Application Programming Interface (API), Web Services, Hypertext Markup Language (HTML), Front-End Web Development, Data Structures
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Build Tools, Authorization (Computing), Data Validation
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operational Databases, Database Development, Data Maintenance, Java Programming, Enterprise Application Management, Back-End Web Development, Data Access, Full-Stack Web Development, Database Management, Program Development, Business Logic, Frontend Integration
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), jQuery, Javascript and jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Animation and Game Design, Web Applications, Visualization (Computer Graphics), Computer Graphics, Code Reusability
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Cascading Style Sheets (CSS), Web Design and Development, Animation and Game Design, Application Development, Event Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Test Script Development, Software Testing, Quality Assurance, Software Quality Assurance, Test Case, Software Development, Application Development, Data Validation, System Design and Implementation, User Interface (UI), Data Modeling
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Data Access, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours