Freeing java file handles

Question

We have a rather large and complex application written in Java which is running on top of the Gridgain package. The problem I am having is that this application will sit there p

Answer 1

Finalizers can't be relied on to be called. It's not a good approach for resource management. The standard construct in Java for this is:

InputStream in = null;
try {
  in = ...;
  // do stuff
} catch (IOException e) {
  // error
} finally {
  if (in != null) { try { in.close(); } catch (Exception e) { } }
  in = null;
}

You may want to wrap these handles inside a class but that's not a robust approach.