Added Documentation to some undocumented methods

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/AllClientNames.java

@@ -1,13 +1,21 @@
 package ch.unibas.dmi.dbis.cs108.multiplayer.server;
 
-/* This class is built to contain the usernames of all players in a single string.
+/**
+ * This class is built to contain the usernames of all players in a single string.
 * This allows a duplicate check (--> ClientHandler) when a new player chooses
 * a name: does the string with all the previous names contain the new player's
 * desired username? If yes, he is being assigned a random name. If no, he can keep
-* his desired name. */
+* his desired name.
+ * **/
 
 public class AllClientNames {
     static StringBuilder names = new StringBuilder();
+
+    /**
+     * Safes a new name to the List of all Names
+     * @param currentName the new name to be added
+     * @return All names adding the new currentName
+     */
     public static String allNames(String currentName) {
         return names.append(currentName).toString();
     }

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/ClientHandler.java

@@ -98,6 +98,10 @@ public class ClientHandler implements Runnable {
     return clientUserName;
   }
 
+  /**
+   * Lets the client change their respective username, if the username is already taken, a similar option is chosen
+   * @param newName The desired new name to replace the old one with.
+   */
   public void changeUsername(String newName) {
     if (AllClientNames.allNames("").contains(newName)) {
       newName = NameGenerator.randomName(newName);
@@ -108,12 +112,23 @@ public class ClientHandler implements Runnable {
     broadcastMessage(h +" have changed their nickname to " + clientUserName);
   }
 
+  /**
+   * Broadcasts a Message to all active clients in the form "Username: msg"
+   * @param msg the Message to be broadcasted
+   */
+
   public void broadcastMessage(String msg) {
     for (ClientHandler client : connectedClients) {
       client.sendMsgToClient("CHATM:" + clientUserName + ": \"" + msg + "\"");
     }
   }
 
+  //TODO: Documentation
+  /**
+   *
+   * @param msg
+   */
+
   public void sendMsgToClient(String msg) {
     try {
       out.write(msg);

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/server/NameGenerator.java

@@ -2,9 +2,14 @@ package ch.unibas.dmi.dbis.cs108.multiplayer.server;
 
 import java.util.Random;
 
-// Creates a String beginning with "player_" followed by 4 random letters
 
 public class NameGenerator {
+
+    /**
+     * Creates a random alteration of a Name by adding 4 numbers at the end of the Name that shall be alterd
+     * @param username the to be altered username
+     * @return username + four numbers
+     */
     static String randomName(String username) {
         StringBuilder name;
         while (true) {