// read a config file in java Properties prop = new Properties(); String fileName = "test.config"; try (FileInputStream fis = new FileInputStream(fileName)) { prop.load(fis); } catch (FileNotFoundException ex) { ... // FileNotFoundException catch is optional and can be collapsed } catch (IOException ex) { ... } System.out.println(prop.getProperty("app.name")); System.out.println(prop.getProperty("app.version"));