Crack the Backend

Java Core

8 article(s)

Java Collections in Practice — When to use which collection and how they behave under concurrency.
ArrayList vs LinkedList - What Actually Matters — When to use ArrayList vs LinkedList in practice.
Common Design Patterns in Java (Overview) — Overview of common design patterns in Java.
Generics - Wildcards & Type Erasure — Wildcards and type erasure in Java generics.
HashMap Deep Dive - Resize, Collisions, Treeify — How HashMap resizes, handles collisions, and when it treeifies in Java.
Java IO vs NIO - When It Matters — When blocking IO vs NIO matters in practice.
Reflection & Annotations - Practical Use Cases — When and how to use reflection and annotations.
String, StringBuilder, StringBuffer — Differences and when to use each in Java.

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