Building a PostgreSQL Wire Protocol Server Using Vanilla, Modern Java 21

A dual-purpose tutorial to 1) Demonstrate how to implement the Simple Query Protocol, where Java is an implementation detail; 2) Show practical examples of most of the new features since JDK 17, including Records, Sealed Types, Pattern Matching for Switch… Read more

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Fastest LRU Cache in Java

Data is laid out in memory as closely as possible on an integer array. Map and Doubly Linked List are not two different data structures anymore. A custom map implementation allows built-in doubly linked list functionality on key-value and left-right data ... (more…)

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