//  Data Structures with Java by John R. Hubbard
//  Copyright McGraw-Hill, 2001
//  Example 1.3 on page 4
//  Using wrapper classes

public class Ex0103
{ public static void main(String[] args) 
  { String s = "2.7182818284590";
    System.out.println("s = " + s);
    Double x = new Double(s);
    System.out.println("x = " + x);
    double y = x.doubleValue();
    System.out.println("y = " + y);
    s += 45;
    System.out.println("s = " + s);
    y += 45;
    System.out.println("y = " + y);
    int n = x.intValue();
    System.out.println("n = " + n);
    n = Integer.parseInt("3A9",16);
    System.out.println("n = " + n);
  }
}