/* Listing1704.java */

import java.util.*;

public class Listing1704
{
  public static void main(String[] args)
  {
    Properties sysprops   = System.getProperties();
    Enumeration<?> propnames = sysprops.propertyNames();
    while (propnames.hasMoreElements()) {
      String propname = (String)propnames.nextElement();
      System.out.println(
        propname + "=" + System.getProperty(propname)
      );
    }
  }
}