/** method to disconnect from the server */
public void disconnect() throws IOException {
// if stream connection is present then
if (streamConnection != null) {
// close all streams
dataOutputStream.close();
dataInputStream.close();
streamConnection.close();
}
// nullify all stream objects
dataOutputStream = null;
dataInputStream = null;
streamConnection = null;
// initiate garbage collector
System.gc();
// set the connected flag to false indicating no connection
connected = false;
}
