public static void setFileNameMap(FileNameMap fileNameMap) { URLConnection.fileNameMap = fileNameMap; }
public static synchronized void setFileNameMap(FileNameMap map) {   SecurityManager s = System.getSecurityManager(); if (s != null) s.checkSetFactory();  fileNameMap = map; }
	public static void setFileNameMap(FileNameMap fileNameMap) {		URLConnection.fileNameMap = fileNameMap;	}