(Hopefully) Elegant Java solutions for Advent of Code 2023, probably with a tendency to overuse new language features and APIs. 😊 I'm using JDK 22 and plan to put each solution into a single file, so they can be executed with:
java -ea --enable-preview --source 22 src/DayXPartY.java
You can also run all of them in one go after setting JAVA_22_LAUNCHER in All.java:
java src/All.java
The solution files contain the demo inputs as strings and assert the correct results for them. As stated in the Advent of Code FAQ, copies of the full input are not allowed, and so these files do not contain them, nor the correct solutions.