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: Data Mapping, IBM WebSphere MQ, Middleware, Business Process Automation, Process Driven Development, Data Integration, Scenario Testing, File Transfer Protocol (FTP), Test Case, Development Testing, Data Validation, Java Programming, System Configuration, Debugging, File Management
Mixed · Course · 1 - 4 Weeks

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: Apache Hadoop, Big Data, Application Deployment, Social Network Analysis, Data Processing, Distributed Computing, Java, Text Mining, Graph Theory, File Systems
Mixed · Course · 1 - 3 Months
Coursera
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Classification Algorithms, Java, Java Programming, Machine Learning Algorithms, Supervised Learning, Algorithms, Machine Learning, Data Structures, Software Engineering
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Random Forest Algorithm, Decision Tree Learning, Data Preprocessing, Applied Machine Learning, Jupyter, Classification Algorithms, Java, Sampling (Statistics), Feature Engineering, Model Evaluation, Supervised Learning, Predictive Modeling, Machine Learning, Learning Styles, Program Evaluation, Program Implementation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Web Design and Development, Front-End Web Development, Animations, Javascript, Application Deployment, Interactive Design, Web Content Accessibility Guidelines, User Interface (UI), Usability, Maintainability
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, Query Languages, Data Modeling, Operational Databases, Back-End Web Development, Distributed Computing, Full-Stack Web Development, Performance Tuning, NoSQL, Data Manipulation, Database Design, Scalability, Data Integrity, Data Management, Java
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Web Development Tools, Model View Controller, Event-Driven Programming, UI Components, HTML and CSS, Data Mapping, User Interface (UI), Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Integration, File Management, Scalability, Data Processing, Context Management, Java, Data Transformation, Maintainability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, User Interface (UI), Web Applications, User Accounts, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Secure Coding, Javascript, Authorization (Computing), Authentications, Data Validation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Web Applications, Javascript, Other Programming Languages, UI Components, Front-End Web Development, Web Development, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Programming Principles
Intermediate · Course · 1 - 4 Weeks