Java Resources
Explore Java notes, PDFs, coding challenges, interview questions and more.
Notes & PDFs
Java Basics Notes (PDF)
Covers fundamentals: OOP principles, Collections, Exception Handling, Streams.
Advanced Java Notes
Threads, concurrency, JVM internals, memory model, garbage collection.
Coding Questions
Beginner Coding Problems
Strings, loops, arrays — easy problems with detailed solutions.
Intermediate & Interview Problems
Frequently asked medium-hard problems from interviews.
Interview Questions
Core Java Interview Qs
Most common conceptual and problem-solving Java interview questions.
Java System Design
High-level system design explained using Java examples.
Extras
Java Cheatsheets
Quick references for JVM flags, commands, syntax, annotations.
