使用增强for循环为什么会报错？
package zh.codegym.task.task08.task0822;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.*;
/*
N 个数字中的最小值
*/
public class Solution {
public static void main(java.lang.String[] args) throws Exception {
List<Integer> integerList = getIntegerList();
System.out.println(getMinimum(integerList));
}
public static int getMinimum(List<Integer> array) {
// 此处找出最小值
// System.out.println(Collections.min(array));
int min = array.get(0);
for(Integer a : array){
if(a < min)
min = a;
}
System.out.println("min " + min);
return 0;
}
public static List<Integer> getIntegerList() throws IOException {
// 此处创建并初始化列表
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int n = Integer.parseInt(reader.readLine());
List<Integer> array = new ArrayList<Integer>();
for(int i = 0 ; i <= n-1 ; i++)
array.add(Integer.parseInt(reader.readLine()));
return array;
}
}
/* BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int n = Integer.parseInt(reader.readLine());
List<Integer> array = new ArrayList<Integer>(n);
for (int i = 0; i < n; i++) {
array.add(Integer.parseInt(reader.readLine()));
}
return array;
*/