import java.util.Scanner;
 
public  class   TestUppercaseToLowercase{
 
    public  static  void    main(String[] args){
        Scanner scan = new Scanner(System.in);
        System.out.print("Please input any uppercase letter: ");
        char letter = scan.next().charAt(0);
        char character = upperCaseToLowerCase(letter);
        System.out.print("You typed in: "+letter+". The lowercase equivalent is: "+character);
        
    }
    public  static  char    upperCaseToLowerCase(char character){
        int offset = (int)'A' - (int)'a';
        character = (char)((int)character - offset);
        return character;
    }
}