import java.util.*;

@SuppressWarnings("unchecked")
public class Count {

	public static void strCount(String str){
		Map map = new TreeMap();
		for(int i = 0; i < str.length(); i ++){
			char ch = str.toLowerCase().charAt(i);
			Integer integer = (Integer)map.get(ch);
			map.put(ch, integer == null ? 1 : integer + 1);
		}
		Iterator it = map.keySet().iterator();
		while(it.hasNext()){
			Object object = it.next();
			System.out.println("字元" + object.toString() + "出現的次數為：" + map.get(object));
		}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		strCount("abhbbHHAAaccaa");
	}

}