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 vote355 views1 answer
How do I compile and run a program in Java on my Mac?
Java
0 vote397 views1 answer
Change string into binary uding java
Java
0 vote304 views1 answer
Java return pair
Java
0 vote329 views1 answer
Arrays in constructor java
Java
0 vote377 views1 answer
How to launch app in your android mobile phone
Java
8 votes357 views3 answers
Len of number in java
Java
0 vote344 views1 answer
Insert data from database sqlite android
Java
21 votes366 views2 answers
Java string replace
Java
0 vote372 views1 answer
Calculate Standard Deviation in java
Java
0 vote364 views1 answer
Instance of keyword in java
Java