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.

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Heriot-Watt University
Skills you'll gain: Database Systems, Database Management, Database Software, Artificial Intelligence, Graph Theory, Software Engineering, Database Development, Java Programming, Requirements Analysis, Artificial Intelligence and Machine Learning (AI/ML), Database Architecture and Administration, Computational Logic, Java, Data Structures, Algorithms, Software Design, Computer Science, Software Technical Review, Formal Learning, Administration
Degree · 1 - 4 Years

Skills you'll gain: Javascript, Performance Tuning, Frontend Performance, OS Process Management, Server Side, Performance Testing, Management Consulting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webhook Security, AI Integrations, Generative AI Agents, Application Programming Interface (API), AI Workflows, Agentic Workflows, API Design, Restful API, AI Orchestration, OpenAI API, Web Scraping, Prompt Engineering, Scripting Languages, No-Code Development, Google Gemini, Javascript, Automation, Authentications, Large Language Modeling, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Visualforce, Salesforce Development, Salesforce, Application Development, Salesforce Object Query Language (SOQL), Restful API, Application Programming Interface (API), Web Services, Data Modeling, API Testing, Javascript, Data Access, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, AI Security, Generative AI Agents, Integrated Development Environments, Software Development Tools, Google Workspace, Software Development, Responsible AI, GitHub, Code Review, Application Deployment, AI Personalization, Generative AI, Software Engineering, Web Development, Artificial Intelligence, Design Software, Front-End Web Development, React.js, Javascript
★ 4.6 (21) · Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
★ 4.4 (1.8K) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: React.js, OpenAI API, ChatGPT, UI Components, Web Development Tools, Full-Stack Web Development, JavaScript Frameworks, Generative AI, Application Programming Interface (API), Restful API, Front-End Web Development, Web Development, Back-End Web Development, Javascript, Debugging, HTML and CSS, Server Side, Software Development, GitHub, Programming Principles
★ 5 (8) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Containerization, Kubernetes, Cloud-Native Computing, Node.JS, Distributed Computing, Load Balancing, Scalability, Microservices, API Gateway, Redis, Cloud Deployment, Systems Architecture, Software Architecture, Web Applications, Event-Driven Programming, Javascript, Maintainability, Performance Tuning, OS Process Management, Development Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Product Design, Product Development, Product Management, Product Strategy, Health Systems, Stakeholder Analysis, New Product Development, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Clinical Practices, Process Validation, Verification And Validation, Stakeholder Communications, Artificial Intelligence, React.js, TypeScript, Javascript, React Redux, React Native, GraphQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Server Side, Web Applications, Web Frameworks, Real Time Data, Live Streaming, Network Model, Frontend Integration, Data Sharing, Network Protocols, File I/O, Event-Driven Programming, Secure Coding, Frontend Performance, Browser Compatibility, Javascript, Memory Management, Dynamic Host Configuration Protocol (DHCP), Network Routers, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Development Environment, Programming Principles, Javascript, Debugging, Integrated Development Environments, Scalability, Data Structures, Object Oriented Programming (OOP), Software Development, Software Development Tools, Node.JS, Application Development, Front-End Web Development, Software Engineering, Web Development, Configuration Management
Beginner · Course · 1 - 4 Weeks