Reading and Writing a Properties File

 
 // Read properties file.
 
 Properties properties = new Properties();
 try {
     properties.load(new FileInputStream(
       "infilename"));
 } catch (IOException e) {
 }
     
 // Write properties file.
 
 try {
     properties.store(new FileOutputStream(
       "outfilename"), null);
 } catch (IOException e) {
 }