Java tutorial
//package com.java2s; //License from project: Apache License import java.util.*; public class Main { public static void mergePropertiesIntoMap(Properties props, Map map) { if (map == null) { throw new IllegalArgumentException("Map must not be null"); } else { String key; Object value; if (props != null) { for (Enumeration en = props.propertyNames(); en.hasMoreElements(); map.put(key, value)) { key = (String) en.nextElement(); value = props.getProperty(key); if (value == null) { value = props.get(key); } } } } } }