Pulling values from a Java Properties file in order?

Question

I have a properties file where the order of the values is important. I want to be able to iterate through the properties file and output the values based on the order of the

Answer 1

Working example :

Map properties = getOrderedProperties(new FileInputStream(new File("./a.properties")));
properties.entrySet().forEach(System.out::println);

Code for it

public Map getOrderedProperties(InputStream in) throws IOException{
    Map mp = new LinkedHashMap<>();
    (new Properties(){
        public synchronized Object put(Object key, Object value) {
            return mp.put((String) key, (String) value);
        }
    }).load(in);
    return mp;
}