public Console format(String format,Object... args){
  Formatter f=new Formatter(writer);
  f.format(format,args);
  f.flush();
  return this;
}

public Console format ( String format , Object ... args ) { Formatter f = new Formatter ( writer ) ; f . format ( format , args ) ; f . flush ( ) ; return this ; }
writes a formatted string to the console using the specified format string and arguments .
