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

1 vote255 views1 answer
How to print text into jframe
Java
0 vote276 views1 answer
Java extract zip
Java
0 vote240 views1 answer
Eureka Exception encountered during context initialization
Java
1 vote250 views1 answer
Stringjoiner stream java
Java
0 vote248 views1 answer
Reset status bar color in android
Java
3 votes249 views1 answer
Howow to use font object Java
Java
1 vote243 views4 answers
Print the list in java
Java
0 vote241 views1 answer
Loop through an arraylist android studio
Java
1 vote251 views1 answer
Sort array<entry> float android studio
Java
15 votes238 views2 answers
Array of string java
Java