How to use Java property files?

Question

I have a list of key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.

Questions:

• Do I ne

Answer 1

There are many ways to create and read properties files:

1. Store the file in the same package.
2. Recommend .properties extension however you can choose your own.
3. Use theses classes located at java.util package => Properties, ListResourceBundle, ResourceBundle classes.
4. To read properties, use iterator or enumerator or direct methods of Properties or java.lang.System class.

ResourceBundle class:

 ResourceBundle rb = ResourceBundle.getBundle("prop"); // prop.properties
 System.out.println(rb.getString("key"));

Properties class:

Properties ps = new Properties();
ps.Load(new java.io.FileInputStream("my.properties"));