question: public String ( byte [ ] bytes , int off , int len , java . lang . String enc ) throws java . io . UnsupportedEncodingException { this ( bytesToChars ( bytes , off , len , enc ) ) ; }
target:  Construct a new String by converting the specified subarray of bytes using the specified character encoding. The length of the new String is a function of the encoding, and hence may not be equal to the length of the subarray. bytes - The bytes to be converted into charactersoff - Index of the first byte to convertlen - Number of bytes to convertenc - The name of a character encoding - If the named encoding is not supported JDK1.1