if (entry != null) return new ZipEntryClassFile(zipFile, entry); else return null;
if (entry != null) return new ZipEntryClassFile(this, entry); else               return null;
		public ClassFile find(String name) {			String key = name.replace('.', '/') + ".class";			ZipEntry entry = zipFile.getEntry(key);			if (entry != null) return new ZipEntryClassFile(zipFile, entry);			else return null;		}