superchaoran的个人空间

import java.util.Scanner;
class p1Q7
{
  public static void main(String[] args)
  {
    int offset = (int)('a'-'A');//32
    char uppercase,lowercase;
    Scanner scan = new Scanner(System.in);
   System.out.println("Please input an uppercase letter");
    uppercase = scan.next().charAt(0);
    //lowercase = Character.toLowerCase(uppercase);
    lowercase = (char)((int)(uppercase)+offset);
    System.out.println("The lowercase is: "+lowercase);
  }
}