Learn Programming.
Build Real Skills.
Master Java, Spring Boot, Microservices and more — from beginner to production-ready.
Java Technologies
Enterprise Java backend, Spring stack, testing suites & build tools.
Core Java
OOP & fundamentals
Advanced Java
Reflection, Generics & IO
Java 8 Features
Lambdas & Streams
Collections
List, Map, Set, Queue
Multithreading
Concurrency & sync
Exception Handling
try-catch-finally
JDBC
Java DB connectivity
Servlet
HTTP request handling
JSP
Java server pages
Spring
IoC, DI & Core
Spring MVC
MVC web patterns
Spring Boot
Auto-config & REST APIs
Hibernate
ORM data layer maps
Microservices
APIs, Gateway & Discovery
Maven
Build & dependency tool
JUnit
Unit testing framework
Mockito
Mocking & stubs