boolean function ( CharSequence arg0 , int arg1 ) { return arg1 >= 0 && arg1 <= ( arg0 . length ( ) - 2 ) && Character . isHighSurrogate ( arg0 . charAt ( arg1 ) ) && Character . isLowSurrogate ( arg0 . charAt ( arg1 + 1 ) ) ; }
true when a valid surrogate pair starts at the given index in the given string . out-of-range indexes return false . concode_field_sep PlaceHolder placeHolder concode_field_sep String nullToEmpty concode_elem_sep String padStart concode_elem_sep String commonPrefix concode_elem_sep boolean isNullOrEmpty concode_elem_sep String repeat concode_elem_sep String commonSuffix concode_elem_sep String emptyToNull concode_elem_sep String padEnd