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class MemoryLeak {
  public static void main(String[] args) throws IOException {
    ObjectOutputStream out = new ObjectOutputStream(
        new BufferedOutputStream(new FileOutputStream("ser.dat")));
    for (int i = 10; i < 1024; i++) {
      byte[] arr = new byte[100 * 1024];
      Arrays.fill(arr, (byte) i);
      out.writeObject(arr);
    }
    out.close();
  }
}

class NoMemoryLeak {
  public static void main(String[] args) throws IOException {
    ObjectOutputStream out = new ObjectOutputStream(
      new BufferedOutputStream(new FileOutputStream("ser.dat")));
    for (int i = 10; i < 1024; i++) {
      byte[] arr = new byte[100 * 1024];
      Arrays.fill(arr, (byte) i);
      out.writeObject(arr);
      out.reset(); // reset the stream
    }
    out.close();
  }
}