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CHANGELOG.md

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Java sorting algorithms

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

3.0.0 (2025-03-11)

Added

  • Introduce Renovate bot to manage dependencies
  • Use Fork/Join Framework (ForkJoinPool)
  • Introduce new benchmark settings to application.properties
  • Use Java Microbenchmark Harness (JMH) to measure algorithms performance

Changed

  • Replace JUnit with Spock
  • Use Java Faker to generate random test data
  • Migrate from JDK 11 to JDK 17

Fixed

  • Include integration tests in JaCoCo code coverage
  • Remove "v" from the release configuration (Git tags) to follow Semantic Versioning 2.0.0

2.6.0 (2023-06-11)

Added

  • Static Application Security Testing (SAST)
  • Lombok annotations for generated fields (improve code coverage)
  • Maven release plugin
  • LICENSE file
  • Missing unit tests

Changed

  • Display a message in Markdown files if a PDF document is not supported
  • Update EXERCISES.md and README.md files
  • Replace Vavr tuples with javatuples library

Fixed

  • Code coverage displayed on GitLab
  • SonarCloud integration (configure it again accordingly to an official guide)

2.5.0 (2021-04-02)

Added

  • PROFILER.md file

Changed

  • Use an executor service instead of creating a new thread each time for the waiting mechanism
  • Unify the generated benchmark report with the benchmark table in README.md (thanks to this change, it is possible to copy the generated result directly to Markdown file)

Fixed

  • Sonar warnings

2.4.0 (2021-03-23)

Changed

  • Update benchmark results
  • Refactor sorting algorithms (QuickSort)

2.3.0 (2021-03-21)

Changed

  • Update benchmark results
  • Improve sorting algorithms (CocktailShakerSort, HeapSort, MergeSort, QuickSort, SelectionSort, ShellSort)

Fixed

  • The benchmark table formatting

2.2.0 (2021-03-16)

Added

  • The benchmark table contains execution and algorithms details
  • Measure memory during an algorithm execution

Changed

  • The format of saving benchmark results
  • Milliseconds to nanoseconds as a default time execution unit
  • Refactor a part of algorithms: Bubble Sort, Insertion Sort, Counting Sort, Selection Sort
  • Create the benchmark results file when it does not exist
  • Show logs during benchmark calculations

2.1.0 (2021-03-05)

Added

  • A new benchmark option in GUI
  • A benchmark table in README.md (it's still empty because algorithms need refactoring)

Changed

  • Adjust packages structure
  • Adjust Logback configuration to not show redundant information

2.0.1 (2021-02-25)

Added

  • Code coverage as a badge on Gitlab using JaCoCo plugin

2.0.0 (2021-02-20)

Added

  • New logger library (SLF4J & Logback)
  • SonarQube support (using SonarCloud)

Changed

  • The root package name is set to com.showmeyourcode.algorithms
  • Upgrade JUnit 4.12 to JUnit 5.1
  • Upgrade Maven compiler plugin 3.5.1 to 3.8.0
  • General code refactoring (use camelCase instead of snake_case for variables)
  • Adjust Java classes structure according to good design principles

1.0.0 (2016-11-05)

The first release 🎉🎉🎉

Added

  • Sorting algorithms
    • BubbleSort
    • CountingSort
    • HeapSort
    • InsertSort
    • MergeSort
    • QuickSort
    • SelectionSort
    • ShakerSort
    • ShellSort