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A free, exhaustive Computer Science platform built for BCA, B.Tech, MCA, and self-learners. From your first variable to distributed system design — everything in one place.
A complete guide to Java programming — from variables and OOP to JVM internals, Spring Boot, concurrency, and enterprise system design.
Learn Python from syntax and data structures to asyncio, decorators, Django, FastAPI, and AI/ML integration.
Master JavaScript — the event loop, closures, async/await, ES6+, DOM APIs, and modern runtime internals.
The foundation of systems programming — pointers, memory management, file I/O, and C99/C11 standards.
Data Structures & Algorithms from arrays and linked lists to dynamic programming, graphs, and competitive programming patterns.
LLD and HLD — design scalable distributed systems, databases, caches, message queues, and real-world architectures.