Explore easy-to-understand tutorials on Java, Spring Boot, Microservices, Claude Code, OpenAI Codex, Prompt-Driven Development, programming languages, web development, cloud computing, DevOps, databases, artificial intelligence, system design, and popular frameworks through practical examples and real-world projects. Improve your technical skills with practical examples, step-by-step guides, interview questions, coding exercises, and real-world projects.
Start with the fundamentals and keep growing into the tools used to build modern applications.
From syntax and OOP to collections, exceptions, JDBC, and more.
View Java course →Build robust APIs and enterprise-ready Java applications.
View course →Learn relational data, queries, joins, and database design.
View course →Go deeper with a powerful, open-source relational database.
View course →Learn reusable solutions for creating flexible and maintainable Java software.
View course →Create structured, fast, and maintainable web interfaces.
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Build production-ready Java applications using modern backend, frontend, and AI-assisted development tools.
Build secure REST APIs and production-ready backend applications with Spring Boot and modern AI-assisted development tools.
Build a strong Java foundation with programming fundamentals, OOP, collections, exceptions, and practical coding exercises.
Build AI-powered Java applications with Spring AI, Prompt Engineering, RAG, AI chatbots, and Agentic AI.
Learn how to design, build, secure, and deploy scalable microservices with practical Java and Spring Boot examples.
Understand reusable solutions for flexible object creation, structure, and communication in Java applications.
Learn event streaming, producers, consumers, topics, partitions, offsets, and reliable messaging workflows.
Prepare for Java developer interviews with coding exercises, system design, project discussions, and mock interviews.
Learn Python programming fundamentals, object-oriented programming, data handling, automation, and practical application development.
Build software testing skills through manual testing, test cases, automation fundamentals, API testing, and practical quality workflows.
Learn from industry experts and gain real-world skills that help you build a successful IT career.
Learn from experienced software professionals with real-time project expertise.
Every session includes hands-on coding, live projects, assignments, and real-world use cases.
Learn AI-assisted development using ChatGPT, GitHub Copilot, Claude, Codex, and prompt-driven development.
Study Java, Spring Boot, Microservices, Angular, PostgreSQL, Docker, Kubernetes, DevOps, and AI.
Choose weekend and weekday batches designed for working professionals and students.
Maximum 5 students per batch ensures personalized attention and better mentor interaction.
Get dedicated guidance for coding questions, projects, assignments, and interview preparation.
Build production-style applications using practical workflows and industry best practices.
Practice resume building, mock interviews, coding challenges, and structured interview guidance.
Join Java Codeex and learn the skills companies are hiring for.
Quick answers about Java Codeex online training and the learning path.