diff --git a/jlox/Lox.java b/jlox/Lox.java
new file mode 100644
index 0000000..eb9397e
--- /dev/null
+++ b/jlox/Lox.java
@@ -0,0 +1,39 @@
+package com.craftinginterpreters.lox;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+public class Lox {
+    public static void main(String[] args) throws IOException {
+        if (args.length > 1) {
+            System.out.println("Usage: jlox [script]");
+            System.exit(64);
+        } else if (args.length == 1) {
+            runFile(args[0]);
+        } else {
+            runPrompt();
+        }
+    }
+
+    private static void runFile(String path) throws IOException {
+        byte[] bytes =Files.readAllBytes(Paths.get(path));
+        run(new String(bytes, Charset.defaultCharset()));
+    }
+
+    private static void runPrompt() throws IOException {
+        InputStreamReader input = new InputStreamReader(System.in);
+        BufferedReader reader = new BufferedReader(input);
+
+        for (;;) {
+            System.out.print("> ");
+            String line = reader.readLine();
+            if (line == null) break;
+            run(line);
+        }
+    }
+}
diff --git a/jlox/Makefile b/jlox/Makefile
new file mode 100644
index 0000000..f14397b
--- /dev/null
+++ b/jlox/Makefile
@@ -0,0 +1,10 @@
+##
+# jlox
+#
+# @file
+# @version 0.1
+all:
+	javac -d . Lox.java
+
+
+# end