public static int lastIndexOf(final String value,final String needle){
  validate(value,NULL_STRING_PREDICATE,NULL_STRING_MSG_SUPPLIER);
  return lastIndexOf(value,needle,value.length(),true);
}

public static int lastIndexOf ( final String value , final String needle ) { validate ( value , NULL_STRING_PREDICATE , NULL_STRING_MSG_SUPPLIER ) ; return lastIndexOf ( value , needle , value . length ( ) , true ) ; }
this method returns the index within the calling string object of the last occurrence of the specified value , searching backwards from the offset . returns - 1 if the value is not found . the search starts from the end and case sensitive .
