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

0 vote197 views1 answer
A?che les paramètres de la ligne de commande triés par ordre lexicographique en java
Java
0 vote182 views1 answer
Diamonds
Java
0 vote177 views3 answers
Bundletool aab to apk
Java
1 vote190 views1 answer
The result o trim is ignored java
Java
0 vote178 views1 answer
Java intercambiar la posicion de valores de un array
Java
50 votes204 views4 answers
How to find last element in array java
Java
0 vote180 views1 answer
Como calcular a raiz quadrada em java
Java
0 vote202 views1 answer
Java read directory
Java
1 vote190 views2 answers
Spigot heal player
Java
0 vote194 views1 answer
Kotlin android intent pass data
Java