import java.security.Security; public class NetworkProperties { /** * test Network properties * @param args not used */ public static void main ( String[] args ) { // examine a network property String p = Security.getProperty( "networkaddress.cache.negative.ttl" ); out.println( p ); // prints 10 // set a network property. Security.setProperty( "networkaddress.cache.negative.ttl", "12" ); } }