code: public void addPlayerInitCommand(String teamName, boolean isGoalie) {
          StringBuilder buf = new StringBuilder();
          buf.append("(init ");
          buf.append(teamName);
          buf.append(" (version ");
          if (isGoalie) {
              buf.append(serverVersion);
              buf.append(") (goalie))");
          } else {
              buf.append(serverVersion);
              buf.append("))");
          }
          fifo.add(fifo.size(), buf.toString());
      }
docs: This is used to initialise a player.
  
  @param teamName The team the player belongs to.
  @param isGoalie If the player is a goalie. Note: Only one goalie per team.