https://github.com/mtumilowicz/java11-vavr093-workshops

Vavr workshops.

lift lifting partial-functions pattern-matching pattern-recognition secure-design vavr vavr-either vavr-option vavr-pattern-matching vavr-try vavr-validation workshop workshop-materials workshop-series workshops

Last synced: 25 Aug 2025

https://github.com/mtumilowicz/workshops

All programming workshops prepared by me.

workshop-materials workshops worskhop

Last synced: 09 Feb 2026

https://github.com/mtumilowicz/elasticsearch7-ngrams-fuzzy-shingles-stemming-workshop

Gentle introduction to basic elasticsearch constructs boosting search: ngrams, shingles, stemmers, suggesters and fuzzy queries.

edge-ngram elasticsearch fuzzy-query fuzzy-search kibana ngram search-as-you-type shingles stemmer stemming suggester workshop workshop-materials

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/spring-boot-async

Exploring basic features of Async in Spring.

async completable-future completablefuture completablefuture-api spring-async

Last synced: 25 Jul 2025

https://github.com/mtumilowicz/java11-lambda-patterns

Functional programming patterns in java.

clean-code fp functional-programming java java-lambda lambda pattern

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/scala-cats-functional-dependency-injection-workshop

Introduction into functional dependency injection with Reader monad.

cats cats-effect dependency-injection effect functional-dependency-injection functional-programming kleisli kleisli-arrows monad-transformers reader reader-monad workshop workshop-materials workshops

Last synced: 18 Jul 2025

https://github.com/mtumilowicz/jit-notes

JIT in details.

Last synced: 26 Jun 2026

https://github.com/mtumilowicz/java9-classloaders

Overview of changes of classloaders in Java 9.

classloader java9

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/scala-cats-free-monad-workshop

Introduction into functional programming free structures: free monads, free monoids, free applicatives.

cats cats-core cats-effect cats-free church-encoding free-monad freemonad functional-programming functional-programming-examples functional-programming-language pure-functional scala workshop-material workshop-materials workshops zio-layer

Last synced: 14 Sep 2025

https://github.com/mtumilowicz/gradle-integration-test-task

The main goal of this project is to provide simple implementation of integration test task for Gradle.

gradle gradle-task gradle-tasks

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/groovy-closure-owner-delegate-this

Groovy closures overview: owner vs delegate vs this.

closure closures groovy

Last synced: 19 Aug 2025

https://github.com/mtumilowicz/java11-vavr-validation

Overview of vavr Validation API.

validation vavr vavr-validation

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/scala-cats-tagless-final-http4s-middleware-workshop

Introduction to tagless final with cats and to http4s middleware.

authorization cats cats-effect cats-effect-3 functional-programming http4s http4s-jwt oauth2 oauth2-authentication oauth2-client pure-functional tagless-final workshop workshop-materials workshops

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/java11-vavr-try

Overview of vavr Try API.

try vavr

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/java11-enum-clean-code

Overview of how to to construct modern enums using lambda.

clean-architecture clean-code enum good-practices java-lambda lambda lambda-functions

Last synced: 13 Sep 2025

https://github.com/mtumilowicz/scala-algorithms-bfs-dfs-astar-workshop

Short introduction into BFS, DFS and A* algorithms with case-studies.

algorithms astar astar-algorithm bfs bfs-algorithm dfs dfs-algorithm workshop workshop-materials

Last synced: 01 Nov 2025

https://github.com/mtumilowicz/java12-introduction-to-reactive-programming-workshop

Java reactive streams workshop: basic implementations of Publisher, Subscriber, Subscription and Processor.

java9-stream processor publisher publisher-subscriber reactive-streams stream subscription

Last synced: 24 Oct 2025

https://github.com/mtumilowicz/spring-data-specification

Example of well implemented Spring Data Specification.

specification spring-data spring-data-jpa springdata springdata-jpa springdatajpa

Last synced: 09 Mar 2026

https://github.com/mtumilowicz/java11-category-theory-reader-functor

Simple implementation of Reader Functor.

category-theory functors reader reader-functor

Last synced: 13 Aug 2025

https://github.com/mtumilowicz/js-nodejs-websocket-workshop

WebSocket protocol summary.

websocket websocket-protocol websockets workshop workshop-materials workshop-series workshops

Last synced: 06 Jul 2025

https://github.com/mtumilowicz/bitcoin-transaction-workshop

Introduction (and simulation with regtest) to bitcoin transactions.

bitcoin bitcoin-api bitcoin-cash bitcoin-cli bitcoin-payment bitcoin-regtest bitcoin-transaction bitcoin-wallet regtest segwit segwit-transactions workshop workshop-materials

Last synced: 30 Jan 2026

https://github.com/mtumilowicz/scala-zio2-fs2-refined-newtype-workshop

Introduction into fs2, newtype and refined types.

functional-language functional-programming functional-programming-examples newtype purely-functional refined-types scala workshop workshop-materials workshops zio zio2

Last synced: 12 Aug 2025

https://github.com/mtumilowicz/java-notes

Collection of papers written by me on important java features: memory model, JIT, future of JVM, etc...

graalvm internals java java-memory-model jit jvm

Last synced: 13 Jun 2026

https://github.com/mtumilowicz/java8-map-functions

Overview of Java 8 additions to Map interface.

java8 java8-learning java8-map java8-study java8-tutorial map

Last synced: 02 Aug 2025

https://github.com/mtumilowicz/java-feature-timeline

Summary of new features in each java version (since JDK8).

Last synced: 04 Feb 2026

https://github.com/mtumilowicz/big-data-scala-spark-batch-workshop

Introduction to Spark Batch processing.

batch-processing big-data big-data-processing spark spark-sql workshop workshop-materials

Last synced: 15 Apr 2025

https://github.com/mtumilowicz/rabbitmq

Exploring basic features of Spring AMQP.

amqp rabbit rabbitmq rabbitmq-client rabbitmq-consumer rabbitmq-exchange spring-amqp spring-amqp-example spring-amqp-tutorial

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/scala-http4s-zio-doobie-workshop

Introduction to pure functional programming using effects with zio, http4s, fs2 and doobie.

doobie effects fs2 functional-programming functional-reactive-programming http4s pure-functional scala workshop workshop-materials workshops zio zio-effect zio-test

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/jpa-criteria-api

SQL, JPQL, HQL & JPA Criteria API training

criteria-api hibernate hql jpa2 jpql static-metamodels

Last synced: 15 Oct 2025

https://github.com/mtumilowicz/ethereum-gas-workshop

Introduction to EMV, gas pricing model and standard gas optimisation techniques.

blockchain cryptocurrency ethereum ethereum-contract ethereum-gas-prices ethereum-smart-contract ethereum-virtual-machine solidity solidity-contracts solidity-language workshop workshop-material workshop-materials workshops

Last synced: 14 Apr 2025

https://github.com/mtumilowicz/java11-category-theory-optional-is-not-functor

Proof that java Optional is not a functor, but vavr is.

functor optional optional-implementations vavr

Last synced: 22 Jun 2026

https://github.com/mtumilowicz/java11-category-theory-kleisli-category

Java implementation of Bartosz Milewski examples and challenges of Kleisli Category.

category-theory kleisli

Last synced: 31 May 2026

https://github.com/mtumilowicz/spring-data-jpa-queries

The main goal of this project is to show basics of constructing queries using Spring Data and its repositories.

query spring-data-jpa springdata-jpa springdatajpa

Last synced: 19 Aug 2025

https://github.com/mtumilowicz/model-mapper

Exploring basic features of ModelMapper.

mapping mapping-tools modelmapper modelmapping

Last synced: 19 Jun 2026

https://github.com/mtumilowicz/java8-stack-stackwalking

How to traverse stack in java 8 environtment.

java8 stack stack-walking

Last synced: 09 Sep 2025

https://github.com/mtumilowicz/cryptography-hsm-workshop

Introduction into pkcs11 and integrations with hsm using softhsm.

cryptography cryptography-concepts cryptography-course cryptography-tools hardware-security-module hsm pkcs11 pkcs11-tool pkcs11interop-implement softhsm workshop workshop-materials

Last synced: 25 Feb 2026

https://github.com/mtumilowicz/java13-spring-crud-http-methods-workshop

Short introduction to the http methods in the spring context.

crud crud-application http http-method rest rest-api restful restful-api restful-webservices workshop workshop-materials workshops

Last synced: 06 Mar 2026

https://github.com/mtumilowicz/scala-graphql-caliban-workshop

Introduction to GraphQL using pure functional approach: Scala, Caliban and ZIO.

caliban caliban-graphql effects graphql graphql-api graphql-server pure-functional purely-functional-data-structures scala workshop workshop-materials workshops zio zio-effect zio-http zio-test

Last synced: 25 Feb 2026

https://github.com/mtumilowicz/java11-stream-map-filter-implementation-using-flatmap

Implementation of stream's map / filter using flatMap.

filter flatmap java-streams map stream

Last synced: 17 Jun 2026

https://github.com/mtumilowicz/clojure-concurrency-stm-workshop

account-transaction atom clojure clojure-development clojure-repl clojure-repl-interaction clojure-tutorial concurrency concurrent-patterns concurrent-programming functional-programming functional-programming-examples sleeping-barber software-transactional-memory stm workshop

Last synced: 12 Jun 2026

https://github.com/mtumilowicz/java11-vavr-function-lifting

Examples of vavr function lifting.

lift lifting vavr

Last synced: 12 Jun 2026

https://github.com/mtumilowicz/java-stack

Projects concerning java stack, frames.

java-stack stack

Last synced: 06 Feb 2026

https://github.com/mtumilowicz/java11-vavr093-option-workshop

Vavr Option workshop.

option vavr vavr-option workshop workshop-materials workshops

Last synced: 22 Jul 2026

https://github.com/mtumilowicz/scala213-functional-programming-functor-monoid-monad-workshop

Functor, Monoid, Monads in practice.

applicative-functors functional-programming functors monad-laws monoids scala workshop workshop-materials

Last synced: 18 Feb 2026

https://github.com/mtumilowicz/java12-concurrency-singleton-pattern-workshop

Overview of singleton pattern implementations and how they correlate with save publication issues.

dcl double-checked-locking lazy-initialization lazy-loading singleton singleton-pattern workshop workshop-materials

Last synced: 31 May 2026

https://github.com/mtumilowicz/scala-zio2-zstream-workshop

Introduction to streaming using zio (ZStream).

scala scala-zio stream-processing streaming workshop workshop-materials zio zio-effect zio-streams zio2

Last synced: 31 May 2026

https://github.com/mtumilowicz/helm-workshop

Simple introduction to Helm basics.

helm helm-chart helm-charts kubernetes-helm kubernetes-helm-chart kubernetes-helm-charts workshop workshop-materials workshops

Last synced: 30 Jun 2025

https://github.com/mtumilowicz/java-concurrency-compare-and-swap

Basic examples of compare and swap.

atomic atomic-operation atomic-swaps cas compare-and-swap java

Last synced: 23 Jun 2026

https://github.com/mtumilowicz/java11-trampoline-implementation

Implementation of trampoline in Java.

trampoline

Last synced: 23 Jun 2026

https://github.com/mtumilowicz/spring-boot-h2-console

Spring Boot configuration of h2 console.

configuration console h2 h2-console h2-database inmemory inmemory-db

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/java11-stream-composing-completable-future

Example of mixing stream with completable future using composition.

completable-future completablefuture completablefuture-api composition stream

Last synced: 18 Jun 2026

https://github.com/mtumilowicz/java8-concurrency-jcstress-happens-before

Short introduction to happens-before, volatile and jcstress.

concurrency happens-before java-concurrency jcstress volatile

Last synced: 17 Jun 2026

https://github.com/mtumilowicz/java9-string-concat

Overview of java String concatenation compilation: java 8 vs java 9.

compilation java8 java9 string string-concatenation

Last synced: 19 Jun 2026

https://github.com/mtumilowicz/java11-collectors-groupingby

Summary of Collectors.groupingBy API.

collectors collectors-filtering collectors-flatfiltering collectors-groupingby collectors-mapping flatfiltering grouping java9-stream mapping stream streams

Last synced: 29 Jun 2025

https://github.com/mtumilowicz/gradle-build-cache

Simple configuration of Gradle build cache.

gradle gradle-cache gradle-java

Last synced: 17 May 2026

https://github.com/mtumilowicz/controller-advice

Exploring basic features of exception handling in Spring (ControllerAdvice).

controller-advice exception exception-handler exception-handling exceptions spring-boot spring-exception

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/java12-nio-non-blocking-selector-server-workshop

Non-blocking implementations of server using java.nio selectors: single and thread pooled.

channel java-nio nio nio-channel nonblocking nonblocking-sockets selector server serversocketchannel socketchannel workshop workshop-materials

Last synced: 15 Jun 2026

https://github.com/mtumilowicz/java11-covariance-contravariance-invariance

Covariance, invariance, contravariance overview of collections in Java 11, vavr, guava.

collection contravariance covariance guava invariance vavr

Last synced: 26 Feb 2026

https://github.com/mtumilowicz/hibernate-lazy-initialization-exception

Simple example of LazyInitializationException.

eager-loading exception fetch fetching lazy-initialization lazy-loading

Last synced: 11 Apr 2025

https://github.com/mtumilowicz/java11-concurrency-semaphore

Simple example of real-life problem solved with Semaphore.

real-life-problems semaphore

Last synced: 14 Jun 2026

https://github.com/mtumilowicz/java-spring-boot-oauth2-oidc-pkce-workshop

Last synced: 15 Jun 2026

https://github.com/mtumilowicz/spring-data-getone

The main goal of this project is to show how getOne works internally.

jpa spring-data spring-data-jpa

Last synced: 22 Jun 2026

https://github.com/mtumilowicz/java11-netty-non-blocking-server-workshop

Introduction to Netty - simple implementation of echo server and client.

client client-server netty netty-client netty-server non-blocking non-blocking-server server workshop workshop-materials workshops

Last synced: 16 May 2026

https://github.com/mtumilowicz/java11-completable-future-timeout

Three approaches to timeouts when using CompletableFuture.

completable-future completablefuture completablefuture-api timeout

Last synced: 28 Feb 2026

https://github.com/mtumilowicz/groovy-delegate-category-mixin-trait

Overview of delegate, mixin and trait in groovy.

delegate groovy mixin trait

Last synced: 02 Jul 2025

https://github.com/mtumilowicz/envers-audited

Exploring basic features of @Audited from Hibernate Envers.

envers event-sourcing hibernate-envers

Last synced: 20 Jul 2026

https://github.com/mtumilowicz/scrum-notes

Last synced: 07 Feb 2026

https://github.com/mtumilowicz/spring-test-database-mock

It is often better to provide in memory repository than h2 during tests.

inmemory mock test testing

Last synced: 16 Jun 2025

https://github.com/mtumilowicz/linux-terminal-bash-workshop

Introduction to bash scripting.

Last synced: 19 Jul 2026

https://github.com/mtumilowicz/java11-birthday-paradox

Simulation of birthday paradox.

birthday-paradox simulation

Last synced: 23 Jun 2026

https://github.com/mtumilowicz/scala-akka-actor-workshop

Introduction to typed akka actors.

actor-framework actor-model actor-system actors akka akka-actor akka-actors workshop workshop-materials workshops

Last synced: 28 Feb 2026

https://github.com/mtumilowicz/elasticsearch7-relations-among-documents-workshop

Introduction to inner documents: relations, querying and indexing.

elasticsearch elasticsearch-documents elasticsearch-join elasticsearch-nested elasticsearch-relations elasticsearch7 workshop workshop-materials

Last synced: 26 Jun 2026

https://github.com/mtumilowicz/java11-enumset

Overview of EnumSet API.

enumset

Last synced: 18 Sep 2025

https://github.com/mtumilowicz/java-concurrency-synchronizers

Overview of java synchronizers.

Last synced: 02 Feb 2026

https://github.com/mtumilowicz/groovy-closure-currying

Overview of groovy closure currying.

closure curry-n currying curryn groovy

Last synced: 22 Jun 2026

https://github.com/mtumilowicz/java11-regex

Overview of java regex API.

java regex regex-match regex-pattern

Last synced: 08 Aug 2025

https://github.com/mtumilowicz/java8-datetime-temporaladjusters

Overview of TemporalAdjusters API + custom implementation of TemporalAdjuster.

temporal-adjuster temporal-adjusters

Last synced: 14 Jul 2025

https://github.com/mtumilowicz/java11-pecs-principle

Overview of PECS principle.

pecs pecs-principle producer-consumer

Last synced: 11 Jun 2025

https://github.com/mtumilowicz/java-this-escaping-constructor

Leaking this reference from constructor.

concurrency final leaking this this-keyword this-reference volatile

Last synced: 17 Jun 2026

https://github.com/mtumilowicz/java11-category-theory-total-poset-product

Implementation of product in total poset category.

category-theory poset product total

Last synced: 16 Jun 2025

https://github.com/mtumilowicz/java-incubator-projects

Short introduction to the most important java incubator projects.

Last synced: 21 Feb 2026

https://github.com/mtumilowicz/groovy258-ast-compile-time-metaprogramming-workshop

AST transformations as an example of compile-time metaprogramming in groovy.

abstract-syntax-tree ast ast-transformation ast-tree concrete-syntax-trees cst metaprogramming workshop workshop-materials workshops

Last synced: 26 Jul 2025

https://github.com/mtumilowicz/java-streams-laziness-needs-pure-functions

Why java streams laziness needs pure functions.

java-streams laziness pure-function stream stream-processing streams

Last synced: 01 Jul 2025

https://github.com/mtumilowicz/scala212-category-theory-set-semiring

Implementation and proof that Set category is semiring with product and coproduct.

category-theory coproduct distributive product scala semiring

Last synced: 13 Jun 2025

https://github.com/mtumilowicz/java11-vavr-collections-conversion-tojava-asjava

We show how to convert vavr collections to java collections.

collections conversion vavr vavr-collections

Last synced: 25 Jul 2025

https://github.com/mtumilowicz/groovy-dsl

Exploring basic features of groovy to produce DSL.

closure delegate domain-specific-language dsl groovy metaprogramming

Last synced: 06 Apr 2026

https://github.com/mtumilowicz/exceptions-localizedmessage-vs-message

Java Exceptions: localizedMessage vs message.

exceptions locale locales locales-translation localized

Last synced: 13 Jun 2025

https://github.com/mtumilowicz/completable-future

Exploring CompletableFuture API.

async asynchronous-programming completable-future completablefuture completablefuture-api future

Last synced: 11 Jul 2025

https://github.com/mtumilowicz/java11-category-theory-powerset-poset-product

Implementation of product in powerset poset category.

category-theory poset powerset product

Last synced: 20 Sep 2025

https://github.com/mtumilowicz/java12-introduction-to-functional-programming-workshop

Gentle introduction to functional programming in Java.

fp functional-programming workshop workshop-materials workshops

Last synced: 23 Jun 2026

https://github.com/mtumilowicz/java11-predicate

Java 11 Predicate Interface.

java11 java11-example predicate predicate-functions predicate-methods predicates

Last synced: 26 Jun 2026

https://github.com/mtumilowicz/java11-concurrency-exchanger

Simple example of real-life problem solved with Exchanger.

concurrency exchanger

Last synced: 19 Jun 2025

https://github.com/mtumilowicz/java11-spliterator-forkjoin

Fork-join using spliterator and parallel streams.

fork-join parallel parallel-computing parallel-programming parallel-streams spliterator

Last synced: 26 Jun 2025

https://github.com/mtumilowicz/java11-arrays-parallel-methods

Overview of parallel methods from Arrays utility class.

arrays parallel

Last synced: 19 Jun 2025

https://github.com/mtumilowicz/java9-stack-stackwalking

Overview of StackWalker API in java 9.

stack stack-walking stackwalker

Last synced: 29 Jun 2025

https://github.com/mtumilowicz/java11-exceptions-creating-exceptions-without-stacktrace

How to create exception without stacktrace.

exceptions stacktrace

Last synced: 06 Jul 2025

https://github.com/mtumilowicz/java11-vavr-option

Overview of vavr Option API.

option vavr

Last synced: 22 Jun 2026

https://github.com/mtumilowicz/designpatterns

design patterns and real-life examples

Last synced: 17 Jun 2026

https://github.com/mtumilowicz/java11-category-theory-poset-product

Implementation of product in poset category (binary tree).

category-theory greatest-lower-bound poset product

Last synced: 04 Oct 2025

https://github.com/mtumilowicz/hash-function

Simple example of hash function.

hash hash-functions hashfunctions

Last synced: 19 Jun 2026