From 661ed3e4aee76ac82fbe2ffdbdf8e32e1aa66ee9 Mon Sep 17 00:00:00 2001
From: Tim Tersch <ttersch@outlook.de>
Date: Thu, 27 Aug 2020 11:00:34 +0200
Subject: [PATCH] join

---
 Arrays.java | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Arrays.java b/Arrays.java
index b09f1f2..965a45f 100644
--- a/Arrays.java
+++ b/Arrays.java
@@ -261,7 +261,17 @@ public class Arrays {
      * Für ein leeres Array wird ein leerer String zurück gegeben.
      */
     public String join( String[] pArray, String pSep ) {
-        return "";
+        if (pArray == null || pArray.length == 0) {
+            return "";
+        }
+        String str = "";
+        for (int i = 0; i < pArray.length; i++) {
+            str += pArray[i];
+            if (i < pArray.length - 1) {
+                str += pSep;
+            }
+        }
+        return str;
     }
 
     /**