Write the data in properties file !!

Using Properties class:

1. import java.io.File;
2. import java.io.FileOutputStream;
3. import java.io.IOException;
4. import java.util.Properties;
5. 
   
6. public class WritePropertiesFiles {
7. 
   
8. public static void main(String[] args) throws IOException {
9. Properties prop = new Properties();
10. prop.setProperty("bangalore", "raju");
11. prop.setProperty("delhi", "ritesh");
12. prop.setProperty("chennai", "ishaan");
13. prop.setProperty("japan", "chet");
14. 
    
15. File file = new File("D:\\contacts.properties");
16. FileOutputStream fileStream = new FileOutputStream(file);
17. prop.store(fileStream, "store the contacts");
18. fileStream.close();
19. }
20. }

Output:
#store the contacts
#Sun Apr 29 20:22:15 IST 2018
delhi=ritesh
japan=chet
chennai=ishaan
bangalore=raju