public class IdentifierTest {   /** * @param args the command line arguments */ public static void main(String[] args) { for(String arg : args) { boolean start = true; boolean validIdentifier = true;   for(byte b : arg.getBytes()) { if(start) { validIdentifier = validIdentifier && Character.isJavaIdentifierStart(b); start = false; } else { validIdentifier = validIdentifier [...]