question: creates a random string consisting only of supplied characters . concode_field_sep Random random concode_field_sep int random concode_elem_sep String randomLower concode_elem_sep String randomLowerMaxLength
target: String function ( String arg0 , int arg1 ) { StringBuilder loc0 = new StringBuilder ( arg1 ) ; int loc1 = arg0 . arg1 ( ) ; for ( int loc2 = 0 ; loc2 < arg1 ; loc2 ++ ) { int loc3 = random ( loc1 ) ; char loc4 = arg0 . charAt ( loc3 ) ; loc0 . append ( loc4 ) ; } return loc0 . toString ( ) ; }