replace the String[] with an arrayList (servList)

src/tools/HostList.java

@@ -1,6 +1,11 @@
 package tools;
 
 import java.util.Scanner;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.ListIterator;
+
 
 public class HostList{
   /** Helper to get the server list from the user
@@ -10,18 +15,21 @@ public class HostList{
    * @version	1.0
    */
 
-  public String[] getServList(){
-  	String[] serverList = new String[20];
+/**
+* Let the user enter all server and puts it in a list
+* @return list of servers 
+*/
+
+  public List<String> getServList(){
+    List<String> serverList = new ArrayList<String>();
     Scanner scanner = new Scanner(System.in);
 	  String servName = "";
-    int i = 0;
     do {
       System.out.println("Name of the next server:");
       servName = scanner.nextLine();
       if (servName != "stop"){
-        serverList[i] = servName;
+        serverList.add(servName);
       }
-      ++i;
     } while (servName != "stop");
     return serverList;
   }