Added random name generator

src/main/java/ch/unibas/dmi/dbis/cs108/multiplayer/client/Client.java

@@ -20,7 +20,7 @@ public class Client {
       this.out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
       this.in = new BufferedReader((new InputStreamReader((socket.getInputStream()))));
 
-      //TODO add the system based generated username here.
+      String randomUserName = NameGenerator.randomName();
       //TODO hide connecting logik(next 4 lines)
       this.userName = userName;
       this.out.write(getUsername());

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

@@ -0,0 +1,20 @@
+package ch.unibas.dmi.dbis.cs108.multiplayer.client;
+
+import java.util.Random;
+
+// Creates a String beginning with "player_" followed by 4 random letters
+
+public class NameGenerator {
+    static String randomName() {
+        StringBuilder name = new StringBuilder();
+        Random r = new Random();
+        for (int i = 0; i < 4; i++) {
+            char c = (char)(r.nextInt(26) + 'a');
+            name.append(c);
+        }
+        return "player_" + name;
+    }
+    public static void main (String[] args) {
+        System.out.println(randomName());
+    }
+}