//***************************************************************************
//LetterCount.java                      Author:WZW
//
//Denonstrates the relationship between array an strings.
//***************************************************************************
import  java.util.Scanner;

public class eg8_3 {
    //-----------------------------------------------------------------------
    //Resds a sentence from thr user and counts the number of
    //uppercase and lowercase letters contained in it.
    //-----------------------------------------------------------------------
    public static void main(String[] args) {
        final int   MUNCHARS=26;
        Scanner scan =new Scanner(System.in);

        int [] upper=new int [  MUNCHARS];
        int []lower= new int [MUNCHARS];

        char current;//the current character being processing.
        int other =0;//Count for non-alphabetics.

        System.out.println("Enter a sentence: ");
        String line =scan.nextLine();

        //Count the number of each letter occurrence.
        for (int ch =0;ch <line.length();ch++){
            {
                current = line.charAt(ch);
                if (current >= 'A' && current <= 'Z')
                    upper[current - 'A']++;
                else if (current >= 'a' && current <= 'z')
                    lower[current - 'a']++;
                else
                    other++;
            }

            //Print the results
            System.out.println();
            for (int letter=0;letter<upper.length;letter++)
            {
                System.out.print((char)(letter+'A'));
                System.out.print(":"+upper[letter]);
                System.out.print("\t\t"+(char)(letter+'a'));
                System.out.println(": "+lower[letter]);
            }

            System.out.println();
            System.out.println("Non-alphabetic characters: "+other);
        }
    }
}