Java tutorial
//package com.java2s; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; import java.util.Properties; import java.util.Set; public class Main { public static Map<String, String> convert(Properties props) { Map<String, String> _result = new HashMap<String, String>(); Set<Entry<Object, Object>> propsSet = props.entrySet(); for (Entry<Object, Object> p : propsSet) { Object value = p.getValue(); if (value == null) { _result.put(p.getKey().toString(), null); } else { _result.put(p.getKey().toString(), value.toString()); } } return _result; } }