// java handbook · course catalog
All Courses
#apache-kafka-course
Master Apache Maven step-by-step! Complete Java build automation course covering POM.xml, dependencies, plugins, multi-module projects & CI/CD integration. Perfect for beginners to professionals. Start building better Java projects today!
#bitmask
The ultimate guide to bit manipulation for coding interviews. Developed by FAANG engineers, practice with real-world interview questions, and get interview-ready in just a few hours.
#java-arrays-mastery
Master arrays from zero to hero. Arrays are the most fundamental data structures in computer science and building blocks for many complex data structures.
#java-interview-questions
Crack Java interviews at top tech companies. Cover OOP, JVM, multithreading, collections, and system design through real questions and pattern-based answers built for FAANG and beyond.
#java-streams-api
Transform how you process data in Java. This guide covers Stream pipelines, intermediate vs terminal operations, collectors, and parallel streams — with practical examples to write concise, high-performance Java code.
#java-strings
Learn Java String fundamentals, advanced methods, memory management, StringBuilder optimization, pattern matching, and real-world string handling techniques."
#learn-java
From zero to Java developer. Master syntax, object-oriented design, collections, and exception handling step by step. Clean examples, no fluff — just the Java knowledge you need to build and ship real software.
#maven-course
Build and ship Java projects like a pro. This Maven course covers POM setup, dependency scopes, multi-module projects, and CI integration — practical skills every backend Java developer needs on the job.
#springboot-interview
Land your next Spring Boot role. Master core concepts — auto-configuration, Spring context, REST, security, and testing — through targeted interview questions built for mid to senior Java backend positions.