public Statement in(Object... values){
  statement.append(" IN (");
  for (int i=0; i < values.length; i++) {
    if (i > 0)     statement.append(", ");
    append(values[i]);
  }
  statement.append(')');
  return this;
}

public Statement in ( Object ... values ) { statement . append ( " IN (" ) ; for ( int i = 0 ; i < values . length ; i ++ ) { if ( i > 0 ) statement . append ( ", " ) ; append ( values [ i ] ) ; } statement . append ( ')' ) ; return this ; }
appending the in operator clause .
