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: Object Oriented Programming (OOP), Java Programming, Java, Algorithms, Application Programming Interface (API), Data Structures
Intermediate · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: File I/O, Matlab, Programming Principles, Functional Design, Computer Programming, Code Reusability, Program Development, Computational Logic, Computer Science, Data Import/Export, Mathematical Software, C (Programming Language), Debugging, Computer Programming Tools, File Management, Data Structures, Data Persistence, Plot (Graphics), Problem Solving
★ 4.8 (18K) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: UI Components, Computational Thinking, HTML and CSS, User Interface (UI) Design, Web Design and Development, Interactive Design, Hypertext Markup Language (HTML), Web Development, Programming Principles, Web Design, Javascript, Event-Driven Programming, Computer Programming, Algorithms, Image Analysis, Web Applications, Cascading Style Sheets (CSS)
★ 4.6 (15K) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Preprocessing, Model Deployment, Apache Mahout, Java, Java Programming, Apache Spark, Classification Algorithms, Machine Learning Software, Machine Learning Methods, Model Training, Applied Machine Learning, Deep Learning, Data Processing, Model Evaluation, Natural Language Processing, Data Cleansing, Machine Learning, Feature Engineering, Fine-tuning, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Algorithms, Data Structures, Java, Java Programming, Other Programming Languages
★ 3.6 (10) · Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, Version Control, User Research, UI/UX Research, Usability Testing, Unix Commands, JSON, Restful API, Web Development Tools, Git (Version Control System), Jest (JavaScript Testing Framework), Persona (User Experience), GitHub, Interaction Design, User Experience Design, SQL, User Interface and User Experience (UI/UX) Design, Mobile Development, Javascript, React.js
★ 4.6 (11K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Programming Principles, Java, Data Structures, Program Development, Object Oriented Programming (OOP), Computer Programming, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Android Studio, Restful API, Version Control, User Research, UI/UX Research, Usability Testing, Jest (JavaScript Testing Framework), Git (Version Control System), Data Structures, Kotlin, Unix Commands, Android Jetpack, Android Development, Persona (User Experience), GitHub, Interaction Design, Mobile Development, Code Reusability, Javascript
★ 4.6 (9.3K) · Beginner · Professional Certificate · 3 - 6 Months

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, User Research, UI/UX Research, Usability Testing, Apple iOS, Jest (JavaScript Testing Framework), Data Structures, Swift Programming, User Interface (UI), Unix Commands, Apple Xcode, Git (Version Control System), Persona (User Experience), GitHub, Mobile Development, Javascript
★ 4.6 (8.8K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Java, Mobile Development, Java Programming, Object Oriented Programming (OOP), Application Frameworks, Android Development, Application Development, Program Development, Software Development
★ 4.6 (70) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
★ 4.6 (80) · Intermediate · Course · 1 - 4 Weeks