From 72fb6b7df1ee25d9e96586fce5d3936527e7fea4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Tue, 3 Apr 2018 20:35:13 +0200
Subject: [PATCH] exo3: trap the empty class name case properly.
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 exo3/Main.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/exo3/Main.java b/exo3/Main.java
index f15a4ec..4909568 100644
--- a/exo3/Main.java
+++ b/exo3/Main.java
@@ -41,7 +41,12 @@ class Main {
      * @param String[] args main() function arguments array
      */
     public static void main(String[] args) {
+        if (args.length == 0) {
+            System.out.println("Please run with java Main <Class Name to inspect>");
+            System.exit(-1);
+        }
         String className = args[0];
+
         Class cl = null;
         try {
             cl = Class.forName(className);
-- 
2.34.1