Save map to file java

// 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 the map
Map<String, String> map_from_file = new HashMap<String, String>();
Properties properties = new Properties();
properties.load(new FileInputStream("data.properties"));

for (String key : properties.stringPropertyNames()) {
   map_from_file.put(key, properties.get(key).toString());
}

Source: stackoverflow.com

Similar codes

2 votes204 views2 answers
Button event
Java
5 votes221 views1 answer
Java int to roman
Java
1 vote208 views1 answer
How to get logarithm in java
Java
0 vote199 views2 answers
Java print 2d array row and column
Java
5 votes213 views2 answers
Android studio remove action bar
Java
2 votes206 views1 answer
Arrays .contains methof
Java
0 vote221 views1 answer
JAXRS EXCEPTION MAPPER
Java
0 vote222 views1 answer
Windows menu in java swing ausscahlten
Java
6 votes228 views2 answers
Java save file
Java
1 vote236 views1 answer
Javafx resizable window
Java