Chapter 1 — Building Blocks
Master Java class structure, primitive types, wrapper classes, var, text blocks, garbage collection, and variable scope — the foundation of every OCP Java 21 exam question.
Master Java class structure, primitive types, wrapper classes, var, text blocks, garbage collection, and variable scope — the foundation of every OCP Java 21 exam question.
Comprehensive answers to Java Software Design Patterns and Garbage Collection interview questions.
Guide to JVM internals covering memory layout, garbage collection, class loading, and runtime performance basics.
A complete guide to memory management — virtual memory, paging, TLB, page replacement, fragmentation, Linux allocators, JVM heap regions, GC algorithms, tuning, and production memory profiling. Beginner through senior depth.
An in-depth guide to understanding what data is stored in stack memory and heap memory in the Java Virtual Machine (JVM), including memory tuning and garbage collection.