java examples
Home Java Examples Resources Java Interview Questions
Brainpower SEO

How to convert Properties into Map?

package com.javacoderanch.example.util;

import java.util.Properties;
import java.util.Map;
import java.util.HashMap;
import java.util.Set;

public class PropertiesToMap {
    public static void main(String[] args) {
        //
        // Create a new instance of Properties.
        //
        Properties properties = new Properties();

        //
        // Populate properties with a dummy application information
        //
        properties.setProperty("app.name", "HTML Designer");
        properties.setProperty("app.version", "1.0");
        properties.setProperty("app.vendor", "HTML Designer Inc");

        //
        // Create a new HashMap and pass an instance of Properties. Properties
        // is an implementation of a Map which keys and values stored as in a
        // string.
        //
        Map<String, String> map = new HashMap<String, String>((Map) properties);

        //
        // Get the entry set of the Map and print it out.
        //
        Set propertySet = map.entrySet();
        for (Object o : propertySet) {
            Map.Entry entry = (Map.Entry) o;
            System.out.printf("%s = %s%n", entry.getKey(), entry.getValue());
        }
    }
}