Jakob Jenkov

java-nio-server. A Java NIO Server using non-blocking IO all the way through.

javafx-examples. A large collection of JavaFX examples demonstrating basic + advanced features of JavaFX.

java-examples. A set of Java examples - of Java SE features (core Java) and techniques.

parsers-in-java. A JSON parser implemented in Java, to show how to implement high performance parsers in Java.

iap-tools-java. A Java toolkit for working with the IAP network protocol and its data format ION.

butterfly-di-container. Butterfly Dependency Injection Container

java-resizable-array. A resizable array implemented in Java.

parsers. A repository showing various parts and variations of parser and tokenizer designs and implementations.

butterfly-persistence. A simple Java JDBC based ORM.

java-web-crawler. A web crawler implemented in Java

cli-args. Java Command Line Argument Parser

polymorph. Polymorph is a Personal Compute Platform project - reimagining what personal computing can be.

TokenReplacingReader. Replaces strings in streams in Java

undertow-examples. Examples of using the Undertow Java web server

polymorph-fabric-java. Java implementations of technology from my Polymorph project.

pde-pdl-specification.

butterfly-testing-tools. Butterfly Testing Tools

java. Java code examples for my tutorial website tutorials.jenkov.com

iap-tools-java-benchmarks. Benchmarks for IAP Tools for Java.

aws-cdk-examples. AWS CDK examples - showing how to do various things with AWS CDK.

template-engine. A minimal template engine capable of merging a template with data to be inserted into the template at specific insertion points

shoppingcart-microservice. Java

parsers-benchmarks. Benchmarks for my "parsers" repository (containing parser implementation examples)

super-csv. A fast, programmer-friendly, free CSV library for Java

polymorph-tools-java. Various tools and proof-of-concept implementations of standards and technologies related to the Polymorph project.

aws-cfn-examples. AWS CloudFormation (CFN) Examples - for creating various different AWS resources via CloudFormation

aws-lambda-cdk-java. A simple AWS Lambda example using Java 17 for the lambda, and AWS CDK for Java + Java 17 for deployment

javafx-app-template. A JavaFX app template that can be used to get started with new JavaFX apps faster.

javafx-demo-app. A JavaFX app that demos various JavaFX features and possibilities.

open-accounting. Java

java-utils. Various related / unrelated Java utilities that by themselves are too small to be published in their own repository

threejs-examples. Three.js examples and experiments.

undertow-acme4j. An Undertow web server configured to use HTTPS with Let's Encrypt certificates obtained via ACME4J

chavolix-js. A core animation framework in JavaScript - focused on animating data values - not HTML elements.

jpa-examples. Some Java JPA examples.

statistics-report. A simple statistic report in HTML + JavaScript showing common concepts in statistics calculated from a real data set.

jqcomponents. The code for jqComponents - the GUI toolkit build on top of jQuery.

polymorph-web-board-examples. Shows examples of how to use the various Polymorph Web Boards by plugging in your own data and configuration.