public class CloundBean {

    private int img;
    private String title;

    public CloundBean(int img, String title) {
        this.img = img;
        this.title = title;
    }

    public int getImg() {
        return img;
    }

    public void setImg(int img) {
        this.img = img;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }
}

 
public class compareName implements Comparator<CloundBean> {

        @Override
        public int compare(CloundBean o1, CloundBean o2) {

          //按照中文习惯来创建构造器
            Collator instance = Collator.getInstance(Locale.CHINA);

            //若要返回Z-A怎 return -instance.compare(o1.getTitle(),o2.getTitle());
            return instance.compare(o1.getTitle(),o2.getTitle());
        }
    }

//使用
List<CloundBean>  mList = new ArrayList<>();
            for (int i = 0; i < img.length; i++) {
                mList.add(new CloundBean(i, i+"好呀"));
            }
            Collections.sort(mList, new compareName());