{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    {
      nixpkgs,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs { inherit system; };
        buildInputs = with pkgs; [
          jdk21
          jdt-language-server
          maven
        ];
      in
      {
        devShells.default = pkgs.mkShell {
          buildInputs = buildInputs;
        };
      }
    );
}