What is a duck number in java provide with example

Answer 1

http://www.guideforschool.com/323096-program-to-check-for-duck-number/

Answer 2

- Scanner parses the content of a stream while BufferedReader just reads the stream.
- Scanner is not synchronised while BufferedReader is.
- Scanner has a smaller, but for the most usages sufficient buffer.
- BufferedReader throws IOExceptions, Scanner hides them.

Answer 3

ok but upto now i used scanner object but what is the difference among scanner and BufferedReader