added method getFirstElement(Collection)

BasicUtilities/src/main/java/fr/soleil/lib/project/ObjectUtils.java

@@ -17,6 +17,7 @@ package fr.soleil.lib.project;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.lang.ref.Reference;
+import java.util.Collection;
 import java.util.Map;
 import java.util.Map.Entry;
 
@@ -253,4 +254,16 @@ public class ObjectUtils {
         }
         return result;
     }
+
+    public static <E> E getFirstElement(Collection<E> list) {
+        E element = null;
+        if (list != null) {
+            for (E e : list) {
+                element = e;
+                break;
+            }
+        }
+        return element;
+    }
+
 }