Chapter 5, Problem 9RE

Describe the scope error in the following program and explain how to fix it.

 public class Conversation

 {

 public static void main(String[] args)

 {

  Scanner in = new Scanner(System.in);

  System.out.print("What is your first name?");

  String input = in.next();

  System.out.println("Hello, " + input);

  System.out.print("How old are you? ");

  int input = in.nextInt();

  input++;

  System.out.println("Next year, you will be " + input);

 }

 }