我认为是满足题意的
package zh.codegym.task.task07.task0709;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
更简洁地表达自己
*/
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList<String> strings = new ArrayList<>();
BufferedReader s = new BufferedReader(new InputStreamReader(System.in));
for(int i =0;i<5;i++)
strings.add(s.readLine());
int min = strings.get(0).length();
for(int i =1;i<5;i++)
if(strings.get(0).length()>strings.get(i).length())
min = strings.get(i).length();
for(int i = 0;i<5;i++)
if(min==strings.get(i).length())
System.out.println(strings.get(i));
}
}