public PrintfFormat(String fmtArg) throws IllegalArgumentException {
  this(Locale.getDefault(),fmtArg);
}

public PrintfFormat ( String fmtArg ) throws IllegalArgumentException { this ( Locale . getDefault ( ) , fmtArg ) ; }
constructs an array of control specifications possibly preceded , separated , or followed by ordinary strings . control strings begin with unpaired percent signs . a pair of successive percent signs designates a single percent sign in the format .
