diff --git a/src/fr/devinsy/util/StringList.java b/src/fr/devinsy/util/StringList.java
index e4bbc75..e663390 100755
--- a/src/fr/devinsy/util/StringList.java
+++ b/src/fr/devinsy/util/StringList.java
@@ -7,6 +7,7 @@ package fr.devinsy.util;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 
 /**
  * This class is a collection of String objects with specific methods. It makes
@@ -45,6 +46,30 @@ public class StringList extends ArrayList<String> implements CharSequence
 
 		if (source != null)
 		{
+			//
+			ensureCapacity(source.length);
+
+			//
+			for (String string : source)
+			{
+				this.add(string);
+			}
+		}
+	}
+
+	/**
+	 *
+	 */
+	public StringList(final StringList source)
+	{
+		super();
+
+		if (source != null)
+		{
+			//
+			ensureCapacity(source.size());
+
+			//
 			for (String string : source)
 			{
 				this.add(string);
@@ -308,6 +333,28 @@ public class StringList extends ArrayList<String> implements CharSequence
 		return result;
 	}
 
+	/**
+	 * Deep copy and shallow copy have no sense about a list of immutable
+	 * objects.
+	 * 
+	 * @return
+	 */
+	@Override
+	public StringList clone()
+	{
+		StringList result;
+
+		result = new StringList(size());
+
+		for (String string : this)
+		{
+			result.add(string);
+		}
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 */
@@ -413,6 +460,23 @@ public class StringList extends ArrayList<String> implements CharSequence
 		return (result);
 	}
 
+	/**
+	 * 
+	 * @return
+	 */
+	public StringList sort()
+	{
+		StringList result;
+
+		Collections.sort(this);
+
+		//
+		result = this;
+
+		//
+		return result;
+	}
+
 	/**
 	 * 
 	 */