Add Nix env for Java and C

flake.lock

@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1661864979,
+        "narHash": "sha256-ajXYYTE1uoY3ei/P1v+Knklf2QNCBxMtw1gByaPTGU4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a28adc36c20fd2fbaeb06ec9bbd79b6bf7443979",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-22.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,27 @@
+{
+  description = "Crafting Interpreters";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-22.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }: 
+    flake-utils.lib.eachDefaultSystem (system: 
+
+      let 
+        pkgs = import nixpkgs { inherit system; };
+
+        gcc = pkgs.gcc;
+        openjdk = pkgs.openjdk;
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = [
+            gcc
+            openjdk
+          ];
+        };
+      }
+    );
+}