java sort

  MyString mySs[]=new MyString[result.length];//创建自定义排序的数组
         for (int i = 0; i < result.length; i++) {
          mySs[i]=new MyString(result[i]);
         }
         Arrays.sort(mySs);//排序

         for(int j=0;j<mySs.length;j++){
             result[j]=mySs[j].s;
         }

     class MyString implements Comparable<MyString>{
          public String s;//包装String
          public MyString(String s) {
           this.s = s;
          }

          @Override
          public int compareTo(MyString o) {
           if(o==null||o.s==null) return 1;
           if(s.length()>o.s.length()) return 1;
           else if(s.length()<o.s.length()) return -1;
           return s.compareTo(o.s);
          }
         }