public String toString(){
  StringBuffer result=new StringBuffer("[");
  if (isPrintable(start))   result.append("'" + start + "'");
 else   result.append((int)start);
  if (start != end) {
    result.append("-");
    if (isPrintable(end))     result.append("'" + end + "'");
 else     result.append((int)end);
  }
  result.append("]");
  return result.toString();
}

public String toString ( ) { StringBuffer result = new StringBuffer ( "[" ) ; if ( isPrintable ( start ) ) result . append ( "'" + start + "'" ) ; else result . append ( ( int ) start ) ; if ( start != end ) { result . append ( "-" ) ; if ( isPrintable ( end ) ) result . append ( "'" + end + "'" ) ; else result . append ( ( int ) end ) ; } result . append ( "]" ) ; return result . toString ( ) ; }
get a string representation of this intervall .
