JAVA: Räkna bokstäver i meningar.

	public static int countUpperCase(String word) {
		int uppderCase = 0;
		for (int i = 0; i < word.length(); i++) {
			if (Character.isUpperCase(word.charAt(i))) {
				//System.out.println(word.charAt(i));
				uppderCase++;
			}
		}
		return uppderCase;
	}

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class CountStuff {
	private Map<Character, Integer> letters = new HashMap<Character,Integer>();

	public void countStuff(String word) {
		for (int i = 0; i < word.length(); i++) {
			Character key = word.charAt(i);
			if(letters.containsKey(key)){
				int value = letters.get(key)+1;
				letters.put(key, value);
			}
			else {
				letters.put(key, 1);
			}
		}
	}

	public String toString(){
		StringBuffer buffer = new StringBuffer();
		Set<Character> set = letters.keySet();
		for (Iterator<Character> iterator = set.iterator(); iterator.hasNext();) {
			Character character = iterator.next();
			int numberOfCharacters = letters.get(character);
			buffer.append(character);
			buffer.append(" = ");
			buffer.append(numberOfCharacters);
			buffer.append("\n");
		}
		
		return buffer.toString();
	}
	public static void main(String[] args) {
		CountStuff s = new CountStuff();
		
		s.countStuff("gf¤EFGF34FGd3#RGFH%¤");
		System.out.println(s.toString());
	}
}