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.

Packt
Skills you'll gain: Django (Web Framework), Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, User Interface (UI), Development Environment
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Hibernate (Java), Multi-Tenant Cloud Environments, Object-Relational Mapping, Spring Boot, Performance Tuning, Java, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Text Mining, Data Transformation, Distributed Computing, Java, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Salesforce Development, Salesforce, Visualforce, No-Code Development, UI Components, Data Import/Export, Application Frameworks, Process Driven Development, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI), User Experience Design, Web Design and Development, Development Environment, Front-End Web Development, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio, Real Time Data, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Search Engine Optimization, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Analytics and SEO, Web Development, Javascript, Frontend Performance, Browser Compatibility
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Graph Theory, Javascript, Program Development, Programming Principles, Software Design Patterns, Computational Thinking, Debugging, Development Environment, Computer Science, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JSON, Data Structures, Algorithms, Web Development Tools, Javascript, Pseudocode, Development Environment, Integrated Development Environments, Computer Programming, Application Programming Interface (API), Debugging, HTML and CSS, Object Oriented Programming (OOP), Computational Thinking, Performance Tuning, Solution Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Serverless Computing, Cloud API, API Gateway, Application Development, Google Cloud Platform, Authentications, Application Programming Interface (API), Identity and Access Management, Event-Driven Programming, Node.JS, Restful API, Microservices, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Components, TypeScript, UI Components, Javascript, Maintainability, Web Development Tools, Web Applications, Front-End Web Development, LESS, Cascading Style Sheets (CSS), Scalability
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, File I/O, Javascript, Event-Driven Programming, Web Applications, Web Servers, Software Installation, Server Side, Application Development, JSON, Real Time Data, Command-Line Interface, TCP/IP, OS Process Management
Intermediate · Course · 1 - 3 Months