Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Google core libraries for Java

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

Interview questions

A barebones WebSocket client and server implementation written in 100% Java.

Algorithms, 4th edition textbook code and libraries

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Cracking the Coding Interview, 5th Edition

Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

The source code from the third edition of Effective Java, with minor additions as necessary to make it runnable.

A Java architecture test library, to specify and assert architecture rules in plain Java

Spring Native is now superseded by Spring Boot 3 official native support

A system for distributing and managing secrets

Smithy is a protocol-agnostic interface definition language and set of tools for generating clients, servers, and documentation for any programming language.

Spring integration for Metrics

A simple, gamified way to improve code quality using SonarQube.

Set of file and live templates for IntelliJ IDEA IDE, mostly for Spring development.