Design patterns implemented in Java

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

Everything you need to know to get the job.

Getting Started with Spring Boot 3:

Netty project - an event-driven asynchronous network application framework

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

A high performance caching library for Java

Apache Druid: a high performance real-time analytics database.

Open-Source Web UI for Apache Kafka Management

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Catch common Java mistakes as compile-time errors

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

An extensible multilanguage static code analyzer.

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, R…

Spring Authorization Server

Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

OpenTelemetry Java SDK

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

An extensible Java library for HTTP request and response logging

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

Java agent to detect blocking calls from non-blocking threads.

Collection of reusable tested Java 21 compatible code snippets that you can understand in 30 seconds or less.

Modular applications with Spring Boot

Design Pattern Examples in Java

JUnit 5 Extension Pack

Event Sourcing and CQRS in practice.