printClassStats(tracker);
  public static void printStats() {    System.out.println("-----------------------------------------------");    MemoryStats tracker = MemoryStatsImpl.getInstance();    // print class summary    printClassStats(tracker);    // print largest ObjectInputStreams    int maxRows = 5;    int maxLines = 5;    String type = "java.io.ObjectOutputStream";    printInstanceStats(tracker, type, maxRows, maxLines);    System.out.println("-----------------------------------------------");  }