Java程序练习-删除元素

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class Main {
public static void main(String[] args) throws IOException {
BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
String ds[] = cin.readLine().split(" ");
List<Integer> list = new ArrayList<Integer>();
for(int i = 0;i < ds.length;i ++){
list.add(Integer.parseInt(ds[i]));
}
Collections.sort(list);
String sn[] = cin.readLine().split(" ");
int st = Integer.parseInt(sn[0]);
int cnt = Integer.parseInt(sn[1]);
while(cnt > 0 && st < list.size()){
list.remove(st);
cnt --;
}
Iterator<Integer> it = list.iterator();
while(it.hasNext()){
System.out.print(it.next()+" ");
}
System.out.println();
}
}