Properties prop;
final String propFileName=WhatTellSerial.class.getSimpleName() + "_settings";
final static String COM_PORT = "COM_PORT";
//Get data from properties file
prop = new Properties();
if(new File(propFileName).exists()){
FileInputStream propis;
try {
propis = new FileInputStream(propFileName);
prop.load(propis);
if(prop.containsKey(COM_PORT))
defaultComPort = prop.getProperty(COM_PORT);
} catch (IOException e) {
e.printStackTrace();
}
}