重复统计出现的次数

class ^! {

    public static void main(String[] args) {

        String str="aabbssddeeff";
        int length =str.length();
        while(length>0 ){
            char c=str.charAt(0);
            str=str.replaceAll(String.valueOf(c),"");
            System.out.println(""+(length-str.length() )+c  );
            
            length=str.length();
        }    
        
    }
    
}