Java 1.8 Spring RESTful API exercise for splitting expenses, tests in Groovy Spock

Comparison of using JUnit 5.9.3 vs Spock 2.3

Full-fledged Spring Boot backend application

Example of Spring Boot web application with REST service and Freemarker

Implementation for Simple Stock Market Problem Statement

Have you ever wanted to test your knowledge under time pressure? Me neither, but now we both can thanks to the console recruiter!

Numerous algorithms & data structures implemented in Java & tested with Spock

Backend of twitter-like social media applicaton

DDD / Spock app (believe, where are nothing interesting here...)

Design Patterns implemented in Java, Kotlin

CQRS and event sourcing using dynamic groovy, spring-boot and spring-webflux

Status: IN PROGRESS. CQRS and event sourcing using plain embedded into jdk com.sun.net.httpserver with dynamic groovy spock tests

Object oriented programming course at AGH UST in Java

One more spring-boot DDD app

A very simple koans type project that solves counting the instances of letters in a string in a number of different ways using various java features. I tried to provide a step-by-step tutorial in the readme.

A simple library to cache data using custom providers.

Application stotores information about account balance and keeps all transactions

Examples with misuses of unit tests

The solution of a simple educational project made in a functional style.