Save map in file
Map<String, String> map = new HashMap<String, String>(); Properties properties = new Properties(); for (Map.Entry<String,String> entry : map.entrySet()) { properties.put(entry.getKey(), entry.getValue()); } properties.store(new FileOutputStream("data.properties"), null); |
Load map from file
Map<String, String> mapFromFile = new HashMap<String, String>(); Properties properties = new Properties(); properties.load(new FileInputStream("data.properties")); for (String key : properties.stringPropertyNames()) { mapFromFile.put(key, properties.get(key).toString()); } |