public class StringSort {
public static void main(String[] args) {
String ss[]={"ab","wang","hi","a","abff"};
MyString mySs[]=new MyString[ss.length];//创建自定义排序的数组
for (int i = 0; i < ss.length; i++) {
mySs[i]=new MyString(ss[i]);
}
Arrays.sort(mySs);//排序
for (int i = 0; i < mySs.length; i++) {
System.out.println(mySs[i].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);
}
}