Java - System.setProperties() Examples

package com.logicbig.example.system;

import java.util.Collections;
import java.util.Enumeration;
import java.util.Properties;

public class SetPropertiesExample {

    public static void main(String... args) {
        Properties p = new Properties();
        p.setProperty("one", "oneVal");

        System.setProperties(p);

        Enumeration<?> e = System.getProperties().propertyNames();
        for (Object obj : Collections.list(e)) {
            String prop = (String) obj;
            System.out.println(prop + "=" + System.getProperty(prop));
        }
    }
}