question: public synchronized String toPlain ( ) { StringBuffer sb = new StringBuffer ( ) ; int length = size ( ) ; for ( int i = 1 ; i <= length ; i ++ ) { sb . append ( i ) ; sb . append ( ": " ) ; sb . append ( get ( i - 1 , null ) ) ; sb . append ( "\n" ) ; } return sb . toString ( ) ; }
target:  return code print of the array as plain text