import java.io.FileReader; import java.util.Arrays; import java.util.Properties; public class BordComputer { String[] deviceNames; public void readConfig() { try (FileReader reader = new FileReader("Geraete.config")) { Properties properties = new Properties(); properties.load(reader); String[] values = properties.values().toArray(new String[0]); Arrays.sort(values); deviceNames = new String[values.length]; System.arraycopy(values, 0, deviceNames, 0, properties.size()); } catch (Exception e) { e.printStackTrace(); } } }