protected URLConnection(URL url) {  this.url = url; allowUserInteraction = def_allow_user_inter; useCaches = def_use_caches;  req_props = new Hashtable(def_req_props); }
protected URLConnection(URL url) {  this.url = url; allowUserInteraction = defaultAllowUserInteraction; useCaches = defaultUseCaches; }
	protected URLConnection(URL url) {		// Set up all our instance variables		this.url = url;		allowUserInteraction = def_allow_user_inter;		useCaches = def_use_caches;		req_props = new Hashtable(def_req_props);	}